3M Filtrete 20 In. x 20 In. x 1 In. Allergen Defense 1000/1085 MPR Furnace Filter Bostitch Multiple protein sources lower allergy

Multiple protein sources lower allergy risk and provide a high quality grain free formula

Chain link fabric or mesh is stretched tightly across the framework after it is installed

A swivel head turns 360 degrees to concentrate the light anywhere you want it

60 drive links

Black plastic Acme nut for easier identification

3M Filtrete 20 In. x 20 In. x 1 In. Allergen Defense 1000/1085 MPR Furnace Filter Bostitch Multiple protein sources lower allergyHelps protect your home by reducing allergens in your air Attracts and captures microscopic particles like lint, dust mite debris, pet dander, smoke, and smog Attracts and captures large allergens like mold spores and pollen Lasts up to 3 months Pleated Electrostatic