Air Filter Foam Roll Media, 18 x 25 x 1/4, Dark Gray

18 inches wide 25 feet long (converted to inches: 300 inches) 1/4 inch thick MERV 4 rating for capturing dust, lint, pollen, pet hair and more Washable and reusable or disposable Has many other uses besides air filtration Dark Gray colorYou may also like Trane BAYFTAHEXM (2-Pack) - Perfect Fit 5" Expandable Replacement Air Filter.