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Residential 21.25 x 37.25 x 1 Air Filters

2 results

Filtrete 21.25-in W x 37.25-in L x 1-in MERV 5 Basic Pleated Pleated Air Filter

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4.3
1046
MERV Rating:MERV 5
Filter Longevity:3 months

Filtrete 21.25-in W x 37.25-in L x 1-in MERV 11 1085 MPR Allergen Defense Extra Electrostatic pleated Air Filter 2 -Pack

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4.7
9310
MERV Rating:MERV 11
Filter Longevity:3 months