-
20x25x4, Furnace Filter
SpaceGard 20x25x4 MERV 13
AXP-213-13R-2 | BestAir® 20 x 25 x 4, Air Cleaning Furnace Filter, MERV 13, For Aprilaire/SpaceGard 2200, 2250 (201) & Lennox PMAC-20C 24″
-
16x28x4, Furnace Filter
SpaceGard 16x28x4 MERV 13
AXP-413-13R-2 | BestAir® 16 x 28 x 4, Air Cleaning Furnace Filter, MERV 13, For Aprilaire/SpaceGard 2400 (401) & Lennox PMAC-12C 27″