Filtrete 20 In. x 20 In. x 1 In. 1000/1085 MPR Allergen Defense Furnace Filter, MERV 11 Pack options:Pack of 1 and positioning work for fastening

and positioning work for fastening

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tall x 8-1/2 In

Each bundle contains 60-90 shingles and covers approximately 13 square feet when laid with a 5-inch exposure

Filtrete 20 In. x 20 In. x 1 In. 1000/1085 MPR Allergen Defense Furnace Filter, MERV 11 Pack options:Pack of 1 and positioning work for fasteningOpt for a Filtrete Allergen DefenseAir Filter to transform your central heating and cooling system into a whole home air filtration operation. This no nonsense filter helps capture varying sizes of particles, from the large (lint, pollen, dust and pet dander) to the microscopic (smoke and smog). %search_data%9802 4