Accumulair Platinum 20x21x1 (Actual Size) MERV 11 Air Filter/Furnace Filters (6 Pack), 886566136489
- 20x21x1 (Actual Size) MERV 11 - 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).
- Captures up to 94% or more of airborne contaminants such as dust, lint, dust mite debris, cement dust, lead dust, standing dust, small fibers, pet dander, and other airborne contaminants.
- Typically ideal for homes with pets, restaurants, superior commercial buildings, superior residential buildings, and workplaces..