Accumulair Diamond 20x22.25x1 MERV 13 Air/Furnace Filters (3 pack)

Over 30-times more efficient at capturing micro particles than ordinary fiberglass filters. The all new Accumulair Diamond with its MERV 13 rating is the highest efficiency Accumulair filter on the market! Great for helping reduce airborne allergens such as bacteria particles that carry viruses pollen mold spores fine dust and pet dander. Accumulair filter material will not support the development of mold mildew bacteria or other microorganisms in normal use. No chemicals added. Accumulair filters are chemical free!