Filtrete 12 In. x 20 In. x 1 In. 1000/1085 MPR Allergen Defense Furnace Filter, MERV 11 Pack options:Pack of 1 %search_data%333042

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Designed to protect plastic and copper piping in concrete

Each gable vent includes screen protection to keep pests out

reduces jobsite cleanup

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Filtrete 12 In. x 20 In. x 1 In. 1000/1085 MPR Allergen Defense Furnace Filter, MERV 11 Pack options:Pack of 1 %search_data%333042Opt 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%9819 4