K&N
17% off
K&N 20X25X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-12025
CoreCarbon
CoreCarbon 20x30x1 Cut To Fit Furnace & Air Conditioner Washable Polyester Fiber Filter Media (20 x 30)
FILTI
FILTI 24x30x1 Air Filter MERV 13 | Pleated Home Air Filter | HVAC AC Furnace Filter MADE IN USA (4 Pack)
MOAJ
20x30x1 Air Filter (6-PACK) | MERV 8 | MOAJ Advanced Dust Defense | BASED IN USA | Quality Pleated Replacement Air Filters for AC & Furnace Applications | Actual Dimensions: 19.7" x 29.7" x 0.75" (in)