Flanders NaturalAire Natural Fiber Trimmable Air Filter, 20"X30" FURN/ AIR

Smilie cut-to-fit filter is a eplacement for hard to find or special filter sizes for furnace or central air. Excellent for systems requiring high velocity filters. Low airflow resistance means lower energy costs. Washable, reusable, and biodegradable. Traps dust/lint, dust mite debris, pollen, mold spores. Washable. No. SM1006: Type: Roll Non-Electrostatic, Material: Synthetic Hog Hair, Size: 20 In. x 30 In. x 1 In., Rating: MERV 4, Life of Product: 12 mo, Pkg Qty: 1, Package Type: Shrink Wrap