3M Filtrete 14 In. x 24 In. x 1 In. Ultra Allergen Healthy Living 1550 MPR Furnace Filter Lockwood Four flute design provides efficient

Four flute design provides efficient dust removal to reduce heat build-up also adding to bit life

V8 spear heavy-duty gate pull

Seven sizes in one tool allow for easy

Quick installation in less than 5 minutes time

3M Filtrete 14 In. x 24 In. x 1 In. Ultra Allergen Healthy Living 1550 MPR Furnace Filter Lockwood Four flute design provides efficientFiltrete 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.