Filtrete 20-in W x 30-in L x 1-in MERV 11 1085 MPR Allergen Defense Extra Electrostatic Pleated Air Filter (2-Pack) Item #3673434 | Model #144153120 hard water buildup

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Filtrete 20-in W x 30-in L x 1-in MERV 11 1085 MPR Allergen Defense Extra Electrostatic Pleated Air Filter (2-Pack) Item #3673434 | Model #144153120 hard water buildupFiltrete 20x30x1 MPR 1085 Air Filter, made by 3M, helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment. Designed with exclusive Filtrete 3 in 1 technology, including an MPR 1085 and MERV 11 rating, your AC filter will help pull and capture countless particles such as particles such as pet dander, smoke and smog while letting cleaner air flow through. Your Filtrete Filter will also capture large