21x22x0.5 (20.5x21.5x0.5) Accumulair Emerald Filter MERV 6

$11.54

AirFilters.com$11.54Buy

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From AirFilters.com

AccumulairA(R) Emerald MERV 6 8 times more efficient than fiberglass filters Durable construction that will not warp or leak under normal operating conditions Excellent for high-velocity systems and maximum airflow Lasts up to three months