Filtrete 16 In. x 25 In. x 4 In. Allergen Defense 1000 MPR Deep Pleat Furnace Filter Stihl For the active and adventurous

For the active and adventurous dogs out there

rust resistant steel blades to stay sharp longer

Which is to say it's built to last and will keep your contents ice-cold even in sweltering conditions

manganese sulfate

Filtrete 16 In. x 25 In. x 4 In. Allergen Defense 1000 MPR Deep Pleat Furnace Filter Stihl For the active and adventurousFiltrete Allergen Defense deep pleated filters attract and capture microscopic allergens like dust, smoke, and smog particles, and large allergens like mold spores and pollen. For residential use only. Outperforms fiberglass, washable and non electrostatic 3 month pleated 1 In. filters. Red label.