19x21x2 (Actual Size) Magnet 2-Inch Filter (MERV 13) 4 filter pack - One Years Supply
The all new Accumulair Diamond with it's MERV 13 rating is the highest efficiency Accumulair filter on the market! Electrostatically charged filter media captures airborne allergens smaller than 1 micron! Over 30-times more efficient at capturing micro particles than ordinary fiberglass filters. Lasts UP TO 3 months! The Accumulair Diamond (MERV 13) has the same airflow as the Accumulair Platinum (MERV 11)! Proudly made in USA.