AirFilters.com
40x42x0.5 (39.5 x 41.5 x 0.5) Accumulair Diamond 1/2-Inch Filter (APR 1950)
- AirFilters.com$32.99Buy
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From AirFilters.com
Accumulair Diamond MERV 13 More than 30 times more efficient than ordinary fiberglass filters Highest efficiency Accumulair filter on the market Meets criteria required for certification in the Leadership in Energy Environmental Design Lasts up to three months