20x25x4 filter

Fits Aprilaire / Space-Guard 2200, 2250, Honeywell F25, F35, F100, F150, F200, and Trion Air Bear 2000 - or any other brand that uses 20x25x4 replacement filters Electrostatically ...

Standard Capacity Pleated FilterPurolator Hi-E 40 is a medium efficiency, extended surface pleated air filter.

High Capacity PleatedThe FMEX40 is a medium efficiency, synthetic pleated filter. The filter is made with double wall construction.

The new MERV 8 Pre Pleat 40 filter features a filtering medium that is more efficient AND ecologically friendly.

Filter Hut furnace air filters are rated to the highest ASHRAE 52.2 industry standards.

Rigid BoxThe new Dominator high efficiency filter is a perfect sustainable component for your next LEEDGreen Building Initiative.

20" x 25" - Filtrete Media System 4" Replacement Furnace Filter From 3M - Replace Your 4" Media Furnace Filter With Filtrete To Capture More Allergens.