20 × 28 Filters | McMaster-Carr

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Filter Products

10"-High Cartridges for High-Pressure Filter Cartridge Housings 10"-High Cartridges for Plastic Filter Cartridge Housings 20"-High Cartridges for High-Pressure Filter Cartridge Housings 20"-High Cartridges for Plastic Filter Cartridge Housings Absolute-Rated Filter Bags Air Conditioning Filter Dryers Air Filter Adhesives Air Filter Canisters Air Filter Frames Air Filter Housings Air Filter Racks Air Filter Regulators Air Filter Sprays Air Filter Tackifiers Air Filtering Fabric Air Filter-Regulator-Lubricators Air-Filter-Regulators for Air-Powered Vacuum Conveyors Air-Intake Filter Silencers ASME Filter Bags ASME Filter Housings Bag Filter Holders Bag Filter Housings Blanket-Wound Filter Cartridges Build-Your-Own Filter Cartridges Cartridge Filter Housings Cleanable Filter Cartridges Compressed Air Filter Bowls Compressed Air Filter Elements Compressed Air Filter Seals Compressed Air Filter-Regulator-Lubricators Continental-Compatible Air Filter Rolls Drinking Fountain Filter Cartridges Dust Collector Filter Bags Dust Collector Filter Cartridges Farr-Compatible Air Filter Rolls Filter Bags Filter Ball Valves Filter Baskets Filter Breathers Filter Buckets Filter Cages Filter Canisters Filter Capsules Filter Cartridges Filter Carts Filter Cloth Filter Crushers Filter Discs Filter Elements Filter Fabric Filter Fans Filter Fittings Filter Frames Filter Funnels Filter Gaskets Filter Gauges Filter Heads Filter Holders Filter Housings Filter Indicators Filter Lubricators Filter Mats Filter Media Filter Media Pad Frames Filter Mesh Filter Paper Filter Pliers Filter Plugs Filter Racks Filter Regulators Filter Retainers Filter Screens Filter Sheets Filter Silencers Filter Sleeves Filter Socks Filter Tanks Filter Vents Filter Vessels Filter Washers Filter Wrenches Filter-Bag Accessories Filter-Bag Adapter Heads Filter-Bag Housings Filter-Cartridge Housings Filtering-Grade Cloth Filtering-Grade Wire Cloth Filter-Regulator-Lubricators Fine-Filtration Vacuums Food Industry Filter Cartridges Food Industry Filter Housings HEPA Filter Elements HEPA Filter Vacuum Cleaners HEPA Filter Vacuums Hydraulic Oil Filter Carts Ingersoll-Rand-Compatible Air Filter Elements Inline Filtration Mufflers Light Filtering Gel Mesh Filter Bags Oil Filter Cartridges Oil Filter Elements Oil Filter Tools Oil Filter Wrenches Panel Filter Frames Pleated Filter Cartridges Pneumatic Filter-Regulator-Lubricators Respirator Filter Cartridges Reusable Filter Cartridges Sock Filter Housings Standard Filtration Oil Removers Standard Filtration Strainers ULPA Filter Vacuum Cleaners ULPA Filter Vacuums Ultra-Fine Filtering Discs Vacuum Filter Housings Water Filter Brackets Water Filter Cartridges Water Filter Elements Water Filter Purifying Media Water Filter Wrenches Welding Filter Plates

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	Trade Size Trade Size	Show

	Trade Size Trade Size	Hide

7 3/16 × 9 11/16

7 3/8 × 16 1/2

8 3/8 × 11 1/4

8 3/4 × 20 7/8

9 3/8 × 16 1/2

11 3/8 × 17 3/8

11 1/2 × 23 1/2

11 3/4 × 13 1/2

11 7/8 × 17 7/8

12 1/16 × 21 3/4

13 1/8 × 13 1/8

22 1/4 × 30 1/4

23 3/8 × 23 3/8

23 1/2 × 23 1/2

25 1/2 × 35 1/2

	Filter Style Filter Style

	Panel

	System of Measurement System of Measurement

	Thickness Thickness

	Useful Life Useful Life

	Material Material

	For Removing For Removing

Dust and Particles

	Frame Material Frame Material

	Air Filter Performance Air Filter Performance

	Frame Gauge Frame Gauge

	Specifications Met Specifications Met

	Air Filter Performance Air Filter Performance

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	For Use With For Use With

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

	Construction Construction

	Maximum Temperature Maximum Temperature

100° to 249.9° F

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Reusable Metal Panel Filters

Also known as metal mesh filters. These filters can be washed and reused.

These filters meet UL 900 flame retardance requirements. Actual size is up to 1/2" less than trade size.

For technical drawings and 3-D models, click on a part number.

1" Thick
HVAC Filter Trade Size	Material	Frame Gauge	Max. Temperature, °F		Each

20 × 28	Aluminum	24	240°	0000000	000000

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)