18x25x1 HVAC, Furnace and AC Replacement Air Filters

Heavy-Duty Construction The EZ Flow II filter frame is made from heavy chipboard in a one-piece design that eliminates corner separation. The filte...

Last stock, all sales final. This filter is discontinued by the manufacturer AAF Flanders. The recommended replacement is the EZ Flow II Filters. C...

Disposable Panel Filters for Commercial, Industrial & Residential Use KOCH Disposable Fiberglass Panel Filters are versatile and suitable for ...

18 x 25 x 1 basic filters in the the exact size of 18 x 25 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

Disposable Panel Filters for Commercial, Industrial & Residential Use KOCH Disposable Polyester Panel Filters are versatile and suitable for a...