12x36x2 (11.5 x 35.5 x 1.75) AccumulairA (R) Diamond 2-Inch Filter (APR 1950)
AccumulairA (R) Diamond MERV 13 More than 30 times more efficient than ordinary fiberglass filters Highest efficiency AccumulairA (R) filter on the market Meets criteria required for certification in the Leadership in Energy Environmental Design Lasts up to three months
12x36x2 (11.5 x 35.5 x 1.75) AccumulairA (R) Diamond 2-Inch Filter (APR 1950) Review
I thought it doesnt work because it is so quiet. Execelent product from with many addons such as 12x36x2 (11.5 x 35.5 x 1.75) AccumulairA (R) Diamond 2-Inch Filter (APR 1950).