Made-to-Order Prefilter Panel Air Filters

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16 Products

About Air Filter Efficiency Ratings

Compare MERV rating, efficiency, and particle size to find the right filter for your location—from warehouses and offices to hospitals and labs.

Made-to-Order Panel Air Filters

If you need a panel air filter with unique dimensions, we’ll get it made. Typically used as replacements in HVAC equipment, these panels work as standalone filters or as prefilters to your main filter. They’re an affordable choice for protecting expensive filters that catch fine particles.

How to order:

Calculate the filter area you need by multiplying your filter length × width.
Find the thickness and filter area range you need.
Select the corresponding part number and enter your length and width.

For filters larger than 23" × 30", select 3884T999. Then enter the thickness, length, and width you need.

If you need help, feel free to call or email us. We answer our phones 24/7 within three rings.

	MERV Filter Rating	Max. Temp., ° F	Certification	Pkg. Qty.		Pkg.
1" Thick



	16 to 149	5	180	UL Classified	12	0000000	000000


	150 to 199	5	180	UL Classified	12	0000000	00000
	200 to 249	5	180	UL Classified	12	0000000	000000
	250 to 299	5	180	UL Classified	12	0000000	000000
	300 to 399	5	180	UL Classified	12	0000000	000000
	400 to 499	5	180	UL Classified	12	0000000	000000
	500 to 599	5	180	UL Classified	12	0000000	000000
	600 to 690	5	180	UL Classified	12	0000000	000000


	2" Thick



			16 to 149	5	180	UL Classified	12	0000000	00000


			150 to 199	5	180	UL Classified	12	0000000	000000
			200 to 249	5	180	UL Classified	12	0000000	000000
			250 to 299	5	180	UL Classified	12	0000000	000000
			300 to 399	5	180	UL Classified	12	0000000	000000
			400 to 499	5	180	UL Classified	12	0000000	000000
			500 to 599	5	180	UL Classified	12	0000000	000000
			600 to 690	5	180	UL Classified	12	0000000	000000