Nominal Size 20 x 30 x 1. Actual Size 19.5 x 29.5 x 0.75*Merv 11 rated and high-efficiency air filter*Traps micro-particles associated with allergies like ragweed and pollen*Each filter lasts up to 90 days*Pack of 4 Filters
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Item# : SPM12885767704
Model # : RNAB071JSH6T2