Accumulair Diamond 17x21x1 (Actual Size) MERV 13 Air Filter/Furnace Filters (6 Pack) (FD17X21A_6)
Brand: Accumulair
17x21x1 (Actual Size) MERV 13 - Tested and rated according to ASHRAE Standard 52.2
Tribo-Electric synthetic media provides high filtration efficiency, low air resistance, and is hydrophobic (does not absorb moisture)
Enhances indoor air quality for up to 3 months
Captures up to 98% or more of airborne contaminants such as dust, lint, dust mite debris, cement dust, lead dust, standing dust, insecticide dust, small fibers, pet dander, fine powders, auto emissions, fine powders, tobacco smoke, smog, and other airborne contaminants
Typically ideal for homes with pets, restaurants, hospital/healthcare offices, superior commercial buildings, superior residential buildings, and workplaces. Also consider for indoor smoking places.