Flanders PrecisionAire 84858.012121 21 by 21 by 1 NaturalAire Standard Pleat Air Filter, 12-Pack

Up to 8-times more effective at capturing micro particles than ordinary fiberglass filters. Economical, high-capacity media makes this filter an ideal upgrade from standard fiberglass throwaways. Rugged and durable. Will not warp or leak under normal operating conditions. Excellent for high-velocity systems and maximum air flow.

Actual Size of Filter: 21 x 22 x 0.75
MERV 6 Rating. Each filter lasts up to 3 months.
Economical, high-capacity media makes this filter an ideal upgrade from standard fiberglass throwaways.
Captures a wide variety of airborne allergens including dust, mold, pet dander, and dust mites.
4 Pack of Air Filters
Actual Size of Filter: 21 x 22 x 0.75
MERV 6 Rating. Each filter lasts up to 3 months.
Economical, high-capacity media makes this filter an ideal upgrade from standard fiberglass throwaways.
Captures a wide variety of airborne allergens including dust, mold, pet dander, and dust mites.
4 Pack of Air Filters

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