You have a stack of vinyl rolls, a vision for custom decals, and a growing to-do list of sign projects. But without the right cutter, every attempt ends in wasted material and frustration. Whether you are launching a small business or upgrading your home workshop, finding the best vinyl sign machines in 2026 means balancing cutting precision, ease of use, and long-term value. In this guide, we review eight top contenders, from versatile VEVOR models to the professional-grade Graphtec CE8000. If you are also tackling home improvement projects, check out our recommendations for HVAC filters to keep your workspace air clean.

1
Best Seller

VEVOR 34-Inch Vinyl Cutter Machine Bundle

VEVOR
9.5 /10
YPS Score
YPS score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the YPS tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
The VEVOR 34-inch vinyl cutter offers professional-grade cutting precision and stability at an affordable price. Ideal for hobbyists and small businesses, it handles signs, labels, and heat transfer vinyl, but be aware of reported durability issues and the included low-quality vinyl.
Pros & Cons

Pros

  • High cutting precision of +/-0.01mm for intricate designs
  • Stable paper feed system with double spring pinch-rollers
  • Adjustable cutting speed and pressure for different materials
  • Backlit LCD display for easy operation and monitoring
  • Broad compatibility with USB/COM and multiple file formats

Cons

  • Included vinyl is low quality and may cause frustration for beginners; better to use premium vinyl like Oracal 3M
  • Some units have reported reliability issues, including early failure and loose internal components
  • Customer service response can be slow, though some users report positive outcomes after reaching out directly
Detailed Review

The VEVOR 34-inch vinyl cutter machine bundle is a budget-friendly plotter designed for DIY enthusiasts, small business owners, and crafters who need precise cuts for signs, labels, heat transfer vinyl, and more. With a maximum paper feed of 34.3 inches and a cutting width of 30.7 inches, it handles standard roll vinyl with ease.

Its standout features include a cutting precision of +/-0.01mm and adjustable pressure from 20 to 500g, allowing fine control for different materials. The digital control system with backlit LCD makes setting speed (20-800mm/s) and pressure intuitive. Real-world performance is bolstered by the D-typed motherboard and 4M cache memory, which help maintain smooth operation even with complex designs. However, some users note that the machine struggles with thin or very thick materials without careful adjustment.

Build quality is mixed: the double spring pinch-rollers and roughened steel roller provide good media tracking, but several reviews mention loose screws inside the unit and a few experienced electronic failures within six months. The included vinyl is widely criticized as poor quality, with insufficient backing thickness that leads to undesirable cut-through. Replacing it with branded vinyl like Oracal resolves most cutting issues.

Software setup requires downloading the included software via CD or a printed URL, which can be a hassle on modern computers without optical drives. Compatibility with SVG and PDF imports is a plus, but the software is not as polished as alternatives. For the price, the VEVOR cutter offers good value for beginners and occasional use, but professionals may want to invest in a more reliable brand.

Verdict: If you are on a tight budget and willing to experiment with settings and supplies, the VEVOR 34-inch vinyl cutter can deliver decent results for sign making and hobby projects. However, be prepared to replace the starter vinyl and handle potential quality control issues. It is a capable entry-level machine, but not without compromises.

2
Editor's Pick

VEVOR 28-Inch Vinyl Cutter Machine with LCD

VEVOR
9.4 /10
YPS Score
YPS score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the YPS tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
The VEVOR 28-inch Vinyl Cutter combines an intuitive LCD screen with dual adjustable spring rollers for steady feeding, delivering precise cuts for sign makers and crafters. It's a solid, feature-rich plotter for professionals and hobbyists alike.
Pros & Cons

Pros

  • LCD screen makes adjustments quick and intuitive without a computer.
  • Dual spring rollers and knurled rods deliver reliable, jam-free feeding.
  • High precision (±0.01 mm) ensures clean, professional cuts.
  • Includes Signmaster software and supports other popular programs.
  • Durable aluminum frame with caster wheels for easy repositioning.

Cons

  • Signmaster software is Windows-only, limiting Mac users.
  • At 39.7 pounds, it's heavy and may require a dedicated workspace.
  • Learning curve for beginners unfamiliar with vinyl cutting software.
Detailed Review

The VEVOR 28-inch Cutting Machine is a versatile vinyl plotter designed for sign makers, crafters, and small businesses. With its LCD screen and dual adjustable spring rollers, it offers precise control and reliable feeding for materials up to 28.3 inches wide.

Standout features include the LCD panel for adjusting speed and force, which eliminates guesswork. The three double-spring pinch rollers and aluminum knurled rods keep paper steady, preventing jams even during long runs. Cutting precision reaches ±0.01 mm, thanks to two replaceable blades and a built-in ruler.

Build quality is solid with an aluminum frame and caster wheels, making it easy to move around a workshop. The included Signmaster software works with Windows via USB or serial, and it also supports SignCut and Flexi. Safety is addressed with a fused power supply and emergency stop.

Potential drawbacks include Windows-only software and a weight of nearly 40 pounds, which may limit portability. Beginners might need time to master the software, but the LCD simplifies operation. The package includes starter materials, so you can begin projects right away.

Overall, the VEVOR 28-inch Vinyl Cutter delivers professional-grade precision and reliability at a competitive price. It's an excellent choice for anyone serious about sign crafting, heat transfer, or custom vinyl designs.

3
Limited Time

VEVOR 34 Inch Bluetooth Vinyl Cutter Plotter

VEVOR
9.5 /10
YPS Score
YPS score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the YPS tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
The VEVOR 34-inch Bluetooth Vinyl Cutter offers precise steel-shaft cutting and mobile app control, ideal for small businesses and DIY enthusiasts creating signs, decals, and heat transfers.
Pros & Cons

Pros

  • Bluetooth mobile connectivity allows wireless operation
  • High precision steel roller shaft ensures accuracy on long cuts
  • Large cutting area accommodates bigger projects
  • Comprehensive accessory kit adds immediate value
  • Adjustable settings offer fine control over various materials

Cons

  • Bluetooth app works only with Android devices, not iOS
  • Software installation via CD or magnet code may feel outdated
  • Machine weight (44 lbs) is heavy, though stand helps mobility
Detailed Review

The VEVOR 34-inch Bluetooth Vinyl Cutter is a versatile cutting plotter designed for sign makers, crafters, and small businesses. It combines a generous cutting area with modern wireless connectivity, allowing you to cut vinyl, heat transfer material, and more with ease. This model stands out for its steel roller shaft that ensures consistent accuracy even on long cuts.

Key features include Bluetooth mobile control via an Android app, plus USB and COM cable connections for Windows computers. The adjustable cutting pressure (10-500g) and speed (10-800mm/s) give you fine control over different materials. With a blade accuracy of 0.01mm, you can achieve detailed designs without worry.

Build quality is robust, featuring an aluminum alloy floor stand with four caster wheels for mobility. The large illuminated LCD panel makes settings easy to read and adjust. The included accessory kit with five vinyl rolls, replacement blades, and a pen adds immediate value for beginners.

Potential drawbacks: the Bluetooth app is only available for Android devices, limiting iOS users. Software installation via CD or magnet code may feel outdated to some. Also, at 44 pounds, the machine is fairly heavy, though the stand helps with portability.

Overall, the VEVOR 34-inch Vinyl Cutter offers a strong combination of precision, size, and connectivity at a competitive price point. It is well-suited for users who need a reliable machine for sign making, custom apparel, and decals, especially those who prefer wireless operation.

Specifications

Cutting Width: 30.7 inches

Max Paper Feed: 34.3 inches

Blade Accuracy: 0.01 mm

Cutting Pressure: 10-500 g

Cutting Speed: 10-800 mm/s

Connectivity: Bluetooth, USB, COM

Compatible Systems: Windows XP/Vista/7/8/10/11

4
Top Rated

Graphtec CE8000-60 Plus 24 Inch Vinyl Cutter

Graphtec
9.0 /10
YPS Score
YPS score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the YPS tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
The Graphtec CE8000-60 Plus is a professional-grade 24-inch vinyl cutter designed for high-volume sign shops and apparel businesses. It offers enhanced rigidity, precise cutting, and a generous bonus package including software and design cards, making it a solid investment for serious production.
Pros & Cons

Pros

  • Industrial-grade build quality with enhanced rigidity
  • High cutting speed and force for efficiency
  • Comprehensive bonus package (software, training, design cards)
  • Easy media loading and feeding with new assist features
  • Wired Ethernet connection for reliable network integration

Cons

  • No Wi-Fi connectivity (Ethernet only)
  • Requires a separate stand (not included in base bundle)
  • Limited customer reviews available, so long-term reliability is less proven
Detailed Review

The Graphtec CE8000-60 Plus is a professional 24-inch vinyl cutter designed for businesses that need reliable, high-volume production. It's ideal for sign makers, apparel decorators, and print shops that require precise cutting of vinyl, heat transfer materials, and other flexible media.

Standout features include a robust 450 gf cutting force and a top speed of 39 inches per second, which significantly boosts throughput. The enhanced rigidity of the frame ensures stable media feeding, reducing errors and waste. The new media set assist function and pressure-adjustable rollers make setup quick and prevent common feeding problems.

Build quality is solid, with a metal and plastic construction that feels durable. The touch screen and mechanical keys offer intuitive control, and the included software package (Graphtec Studio 2 and Cutting Master 5 plug-in) adds value. The 500 design cards provide a huge library of ready-to-use artwork, which is a nice bonus for small businesses.

Potential drawbacks include the lack of Wi-Fi, which might be a limitation for some users, and the fact that the stand is not included in the base package. Also, the product has only a few reviews so far, so long-term performance is not yet widely documented.

Overall, the Graphtec CE8000-60 Plus is a powerful and feature-rich cutter that offers excellent value for its price. It's a smart choice for businesses that need a reliable workhorse and want to take advantage of the comprehensive bonus package. With a 2-year warranty, it's a solid investment for professional use.

Specifications

Brand: Graphtec

Model: CE8000-60-BASE-1

Cutting Width: 24 inches

Cutting Force: 450 gf

Cutting Speed: 39 inches per second

Connectivity: Ethernet (no Wi-Fi)

Included Components: Graphtec CE8000-60 Cutting Bundle, bonus software, design cards, blade holder and blade

Warranty: 2-year manufacturer warranty

5

VEVOR Automatic Vinyl Cutter Machine 17" Feed

VEVOR
9.6 /10
YPS Score
YPS score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the YPS tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
The VEVOR automatic vinyl cutter delivers precise, fast cuts for a wide range of materials, making it an excellent choice for DIY crafters and small business owners seeking an affordable, feature-rich machine.
Pros & Cons

Pros

  • Exceptional cut precision (±0.1 mm) for detailed designs
  • Comes with design software and multiple starter materials
  • Broad material compatibility and adjustable blade pressure
  • Generous cutting area suitable for large projects
  • Easy-to-use touchscreen interface and solid metal build

Cons

  • Included software is Windows-only, requiring third-party apps for Mac/Linux users
  • No cutting mat included, so you may need to purchase separately for certain materials
  • Some users report quality control issues with blade holder fitment
Detailed Review

The VEVOR TT-450 automatic vinyl cutter is a powerful yet affordable tool designed for crafters, hobbyists, and small business owners. With its ability to cut over 100 materials and precise ±0.1mm accuracy, it excels at everything from custom stickers and heat transfer vinyl to cardstock and foam sheets.

Standout features include automatic edge detection for pattern alignment, adjustable cutting speed up to 400 mm/s, and 10 pressure levels. The included design software offers a huge library of templates and supports SVG, EPS, and AI files, making it easy to start creating right away. User reviews praise its accuracy and ease of use, though some note the included vinyl is best for practice.

The machine sports a modern white metal body with a bright color touchscreen for intuitive control. Its 17-inch feed width and 13-inch cut area accommodate sizable projects. However, the included software is Windows-only, and Mac/Linux users will need third-party alternatives like Sure-Cuts-A-Lot or InkCut, which may require some setup.

Potential drawbacks include the lack of a cutting mat, which may be needed for certain materials, and occasional reports of a poorly fitting blade holder. While build quality is generally solid, one user experienced damage during shipping due to packaging issues.

Overall, the VEVOR vinyl cutter offers outstanding value for its price. It delivers professional-quality cuts, comes with helpful starter materials, and provides the versatility needed for a wide range of craft and sign-making projects. If you are looking for an affordable entry point into vinyl cutting, this machine is a strong choice.

6

VEVOR Vinyl Cutter Machine 34 inch Max Feed Width

VEVOR
9.9 /10
YPS Score
YPS score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the YPS tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
The VEVOR SK-870L vinyl cutter machine offers a 34-inch max feed width, dual-blade design for simultaneous cutting and scoring, and beginner-friendly features like a built-in test function. It is ideal for DIY enthusiasts and small businesses needing precise vinyl cutting for decals, HTV, and more.
Pros & Cons

Pros

  • Dual-blade design for simultaneous cutting and scoring without manual swaps
  • Beginner-friendly test function and preview to avoid wasted material
  • Wide material compatibility with adjustable force and speed
  • Precise cutting with ±0.1 mm accuracy and steady media tracking
  • Includes SignMaster software and comprehensive accessory kit

Cons

  • Heavy at 38.1 pounds, making it less portable for small workspaces
  • Only one customer review available, so long-term reliability is unverified
  • English language manual is not guaranteed, which may be a hurdle for some users
Detailed Review

The VEVOR SK-870L is a 34-inch vinyl cutter machine designed for both beginners and professionals. It combines a dual-blade system with adjustable force and speed, making it suitable for a wide range of materials from adhesive vinyl to magnetic sheets. This machine is perfect for DIY crafters, small business owners, and sign makers who need reliable, precise cutting without frequent blade changes.

Standout features include the built-in test function that lets you preview designs before cutting, saving material and reducing errors. The dual-blade design allows simultaneous drawing and cutting or scoring, which significantly improves workflow efficiency. Real-world performance is enhanced by intelligent contour detection with ±0.1 mm accuracy, ensuring clean edges and exact tracking even during long runs.

The build quality is solid, with a combination of ABS plastic and aluminum alloy enclosure that feels durable. The LED display and intuitive controls make operation straightforward. However, the machine is quite heavy at 38.1 pounds, so it is best suited for a dedicated workspace. The included SignMaster software is a plus, though the manual may not be in English, which could be a minor inconvenience.

Potential drawbacks include the lack of extensive customer reviews to gauge long-term durability, and the weight may limit portability. Additionally, the maximum material thickness of 1 mm might not accommodate thicker substrates. Overall, the VEVOR SK-870L offers excellent value for its price, combining professional-grade features with user-friendly design.

Verdict: If you need a versatile vinyl cutter with dual-blade capability and precise cutting, the VEVOR SK-870L is a strong choice. Its beginner-friendly features and comprehensive accessory kit make it easy to start, while the adjustable force and speed cater to advanced projects. Just be prepared for its substantial weight and verify language preferences.

Specifications

Brand: VEVOR

Model: SK-870L

Max Feed Width: 34 inches

Cutting Force: 20-500 gf (adjustable)

Material Thickness: Up to 1 mm

Cutting Accuracy: ±0.1 mm

Connectivity: USB, U-disk, serial port

Compatibility: Windows 7-11, macOS

Software: SignMaster (licensed activation code included)

Included Accessories: Cutting blades (set of 3), cutting mat (A3), knife holders (2), USB flash drive, power cable, serial cable, USB cable, slotting blade, pencil holder, platform set, fuse, screws, exploded view drawing, user manual

Weight: 38.1 pounds

Enclosure Material: ABS plastic and aluminum alloy

Power Source: Corded electric

Color: Black/White

7
This KD-Tec 48-inch vinyl cutter is a floor-standing plotter with contour cutting, USB connectivity, and a 23-inch-per-second cutting speed, built for sign shops and sticker makers who need large-format precision.
Pros & Cons

Pros

  • Large cutting width and feed width accommodate professional sign-making projects.
  • Contour cutting and optical function enable accurate cut-around-print work.
  • Real-time pressure and speed adjustment gives flexibility across different materials.
  • Emergency stop and stable floor stand improve safety and reliability.
  • Supports standard plot pens and HPGL instructions for broad workflow compatibility.

Cons

  • Large floor-standing unit needs dedicated workspace and is not portable.
  • Limited real-world performance data and brand recognition may raise support concerns.
  • Setup and calibration may be challenging for first-time vinyl cutter users.
Detailed Review

The KD-Tec HPE-006 is a professional 48-inch vinyl sign cutter designed for businesses that need large-format cutting of stickers, banners, vinyl decals, and heat transfer materials. It combines a floor-standing frame, contour cutting capability, and USB connectivity to handle production work with minimal setup hassle.

At the heart of this plotter is a stepper motor system that delivers a maximum cutting speed of 23 inches per second and a cutting width of 47 inches. The unique soft impact cutter reduces saw-tooth edges at high speed, while the 0.01 mm repetition precision helps maintain consistent results on long production runs. The LCD control panel and numerical pressure/speed adjustment make it easy to dial in settings for different materials.

The machine supports CorelDraw files, which is a major convenience for sign makers who already work in that design environment. It also accepts all standard plot pens with a 12 mm diameter, adding flexibility for drawing and pouncing applications. The included floor stand keeps roll media stable, and the emergency stop and optical function add practical safety and registration benefits.

That said, this is a heavy, industrial-oriented unit that requires dedicated floor space. The brand is not widely known, and there is limited real-world performance data available, so buyers should verify driver support and warranty terms before purchasing. Setup and calibration may also take some time for users new to vinyl cutters.

Overall, the KD-Tec HPE-006 is a capable large-format cutter for sign shops, banner producers, and sticker businesses that want contour cutting and high-speed output without paying premium-brand prices. If you have the space and technical patience, it offers strong value for production-oriented workflows.

Specifications

Model: HPE-006

Maximum Paper Feed Width: 53 inches

Maximum Cutting Width: 47 inches

Maximum Cutting Speed: 23 inches per second

Maximum Cutting Length: 79 inches

Maximum Cutting Thickness: 1.2 mm

Knife Pressure: 10 to 500 g

Repetition Precision: 0.01 mm

Interface: USB 2.0

Control Panel: Overhead LCD keyboard

Power Supply: AC 90V to AC 230V, 50Hz to 60Hz

Item Weight: 26 pounds

8

VEVOR Vinyl Cutter Machine 53 Inch Dual Blades

VEVOR
9.2 /10
YPS Score
YPS score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the YPS tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
The VEVOR Vinyl Cutter Machine is a large-format plotter with a 53-inch feed width and dual blades for simultaneous cutting and drawing. Ideal for both beginners and professionals, it includes SignMaster software and starter materials, making it a versatile choice for custom decals, stickers, and signs.
Pros & Cons

Pros

  • Dual-blade design eliminates manual blade changes for multi-step tasks.
  • Wide material compatibility and adjustable force provide versatility.
  • Includes SignMaster software and starter materials, no extra purchase needed.
  • Precise cutting with ±0.1 mm accuracy and stable pinch rollers.

Cons

  • Heavy build (65.9 pounds) may require a sturdy work surface and two people to set up.
  • Limited number of customer reviews (rated 3.6) means less feedback on long-term reliability.
  • SignMaster software may have a learning curve for absolute beginners.
Detailed Review

The VEVOR Vinyl Cutter Machine is a professional-grade plotter designed for users who need a large format cutter with versatile capabilities. With a 53-inch max feed width and dual blades, it can handle cutting, drawing, and scoring in one pass, making it ideal for sign makers, craft businesses, and serious hobbyists.

Standout features include the dual-blade system that lets you switch between cutting and drawing without manual swaps, saving time on multi-step projects. The adjustable force (20-500 gf) and speed settings allow you to work with a wide range of materials from thin vinyl to 1 mm thick magnetic sheets. Intelligent contour detection ensures ±0.1 mm accuracy, delivering clean edges even during long runs.

The machine is built with an ABS plastic and aluminum alloy enclosure, weighing 65.9 pounds. It includes a comprehensive accessory bundle: SignMaster software (no CD required), a USB flash drive, cutting blades, pen holder, cutting mat, and starter sticker sheets with transfer film. Setup is straightforward for Windows and Mac users via USB or serial connection.

Potential drawbacks include its heavy weight, which may require a dedicated stand and two-person lift. The rating of 3.6 from a few reviews suggests some users may face learning curves or quality inconsistencies, though the included test function helps beginners. Also, the SignMaster software, while powerful, may take time to master.

Overall, the VEVOR Vinyl Cutter Machine offers a compelling mix of large format capability, dual-blade efficiency, and included materials at a competitive price. It is best for users who need a reliable plotter for medium to high-volume projects and are willing to invest in setup and learning.

Buying Guide: What to Look for in a Vinyl Sign Machine

Cutting Width and Material Handling

The maximum feed width determines the size of signs you can produce. For small decals and stickers, a 17-inch machine works fine. If you plan to cut large banners or vehicle wraps, look for models that handle 34 inches or more. Dual spring pinch rollers keep media aligned during long runs, a feature found on several VEVOR models. For those who also manage home air quality, our guide to furnace filters for allergies may be helpful.

Cutting Precision and Speed

Accuracy is measured in millimeters. Entry-level machines offer +/- 0.1 mm, while higher-end plotters like the Graphtec CE8000-60 deliver industrial-grade repeatability. Adjustable force and speed let you fine-tune cuts for delicate materials like adhesive vinyl or thicker sheets like magnetic paper. Contour detection (also called crop mark recognition) is essential for print-and-cut projects.

Software Compatibility and Ease of Setup

Most modern vinyl cutters come with a design software suite. SignMaster (bundled with many VEVOR machines) works on Windows and macOS and supports SVG, EPS, and AI files. Some machines also include a library of pre-made designs. Bluetooth connectivity, as seen on the VEVOR 34-inch Bluetooth model, allows wireless control from an Android app. For pet owners concerned about dander, check out our best furnace filters for homes with pets.

Dual-Blade Design and Versatility

Some newer plotters include both a cutting blade and a scoring or drawing tool. This dual-blade setup allows you to cut, score, and draw in a single pass without manually swapping tools. The VEVOR Vinyl Cutter Machine (34-inch) and its 53-inch sibling offer this feature, boosting efficiency for commercial users. If you also need to improve household air, our Air 3000 filter recommendations are worth a look.

Final Thoughts

After assessing all eight models, we recommend the VEVOR Vinyl Cutter Machine for beginners and small businesses that want a modern dual-blade system with easy setup and reliable contour detection. For professionals who need maximum precision, durability, and seamless integration with design software, the Graphtec CE8000-60 is the clear choice, even though it demands a higher investment. Both machines will serve you well for years of sign making.

Frequently Asked Questions

What is the best vinyl sign machine for a beginner?

For newcomers, the VEVOR Vinyl Cutter Machine with a 34-inch feed width offers an intuitive built-in cut-check feature and bundled SignMaster software. Its dual-blade design reduces the learning curve, and the LED display makes settings easy to adjust. Many users appreciate the quick-start setup that works with both Windows and macOS.

Can a vinyl cutter handle materials other than standard vinyl?

Yes, most modern machines cut heat transfer vinyl (HTV), adhesive vinyl, magnetic sheets, sticker paper, and even thin cardstock. Models with adjustable force (e.g., 20–500 gf) can handle materials up to 1 mm thick. Always confirm the machine’s maximum thickness rating before purchasing.

Do I need a separate design software to use a vinyl plotter?

Many vinyl cutters in 2026 come with proprietary software like SignMaster or Graphtec Studio. These programs include design libraries and export to common file formats such as SVG, EPS, and PDF. For advanced users, the Graphtec CE8000-60 also works with Adobe Illustrator and CorelDraw via a plug-in.

How do I maintain my vinyl cutter for long-term use?

Regularly clean the pinch rollers and cutting mat with isopropyl alcohol to remove adhesive residue. Replace blades when cuts become ragged. Lubricate the guide rails every few months according to the manufacturer’s instructions. For other home maintenance tips, see our guide to 16x20x4 furnace filters.