Accumulair Gold 40X42X0.5 (39.5X41.5X0.5) Merv 8 Air Filter/Furnace Filters (4 Pack)

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This filter measures 40x42x0.5 (39.5x41.5x0.5). It has a MERV 8 rating. Electrostatic charge captures airborne allergens SMALLER THAN 1 micron including fine dust, smoke, dander, mold, pet dander and dust mites. The filter also traps most large allergens including pollen and lint. It is up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Lasts up to 3 months. The filter will not support the growth of bacteria, mold, mildew o