3M Filtrete 12 In. x 12 In. x 1 In. Ultra Allergen Healthy Living 1550 MPR Furnace Filter 500 3/8" extension bar

3/8" extension bar

bit key styles

designed not to stain fine woods

Durable forged design is resistant from rust

Used primarily for securely attaching wire and fencing to wooden posts

3M Filtrete 12 In. x 12 In. x 1 In. Ultra Allergen Healthy Living 1550 MPR Furnace Filter 500 3/8" extension barFiltrete ultra allergen reduction filter. Captures large allergens like mold spores and pet dander, microscopic allergens like dust, smoke, smog particles, bacteria, and particles that can carry viruses. Up to 3 months of filtering performance. Meets the American Lung Association's Health House indoor air quality guidelines. Purple label.