Flanders 10055.01202214 20 x 21.25 x 1 in. EZ Flow II Spun Fiberglass Disposable Furnace Filter - Pack Of 12, Aaf Flanders, Mfr#: 323923

Features 20 x 21 -1/4 x 1 in. EZ Flow II Spun Fiberglass Disposable Furnace Filter. Flat Panel, No Metal Media Retainers. Up To MERV Rating 4, 30 Day Filter. Effective Against Dust/Lint. Pack of 12. Dimension – 20 x 22 x 1 in. Item Weight – 0.43 lbs.