Aprilaire 401 Furnace Filter for Model 2400 High Efficiency. Package of 4
$134.55
$47.09
NEW
Honeywell POPUP2400 for Aprilaire 2400 Air Cleaner. Size 16" x 28" x 5" MERV 11. Package of 1.
$61.82
-65%NEW
Aprilaire 401 Model 2400 Retrofit Replacement Box Filter, No Need For Spacers, Filter Fits Into Reusable Plastic Cartridge / Frame. MERV 10, Actual Size 15 3/8" x 27 3/8" x 5 1/4." Case of 3 Made in Canada by FurnaceFilters.Ca
