True 1" 24" 18" Panel Air x Furnace 2 Flat Blue 118241 Disposable Filter Fiberglass Spun x - 12 MERV Quantity of

Dust 30 Clean Day Equipment Filter Reduces To Air & For / Dirt 2, Ready Easy Buildup Use, Fiberglass Resistance, Use, This Made Against In Airflow USA Keeps Furnaces, & Filter, Effective Air To Pollen Conditioners Filter, & Ducts, Low Dust Efficient Operation, In Lint, Air MERV