20x20_1/2x1 Exact MERV 13 AC Furnace Filters 6 Pack fans-ventilation-ducting Double seal

Double seal

CO2 ( PPM ) and has a photocell to detect Day or Night operation

External Total Control: WF420 is dimmable and distributes broad

strong and durable ensuring the best results time after time

15 kgf / cm2 (2

20x20_1/2x1 Exact MERV 13 AC Furnace Filters 6 Pack fans-ventilation-ducting Double sealNordic Pure MERV 13 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200