3M Filtrete 14 In. x 20 In. x 1 In. Ultra Allergen Healthy Living 1550 MPR Furnace Filter smokefire ex4 Action Bac (polypropylene) and nonbacked

Action Bac (polypropylene) and nonbacked needle-punched

Perfect color match with Kohler finishes

It is available as a solid wall or perforated wall pipe

Highly comfortable

3M Filtrete 14 In. x 20 In. x 1 In. Ultra Allergen Healthy Living 1550 MPR Furnace Filter smokefire ex4 Action Bac (polypropylene) and nonbackedFiltrete 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.