3M Filtrete 24 In. x 24 In. x 1 In. Allergen Defense 1000/1085 MPR Furnace Filter Preston 5 deg space requirement for

5 deg space requirement for each turn

plain ender

Body of the bags are of tough 1680d ballistic material

keeping rain and debris out of the foundation vent opening

portability and storage

3M Filtrete 24 In. x 24 In. x 1 In. Allergen Defense 1000/1085 MPR Furnace Filter Preston 5 deg space requirement forThe Filtrete Micro Allergen Reduction Filter attracts and captures microscopic particles like lint, dust mite debris, pet dander, smoke and smog and large allergens like mold spores and pollen from the air passing through the filter. Designed with Filtrete Brand 3 in 1 technology to pull in and trap unwanted air particles wile letting clean air flow through. Outperforms fiberglass, washable and non electrostatic pleated 1 In. filters. Lasts up to 3