12x18x2 (11.75 x 17.75 x 1.75) Magnet 2-Inch Filter (MERV 11) 4 filter pack - One Years Supply
The Accumulair Platinum has uniform pleat shape enhances dust holding capacity and maximizes air flow. Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Heavy duty construction frame prevents airflow bypass. Lasts UP TO 3 months! Proudly made in USA.