?x?x.50" Aluminum and Foam Washable Filter (Between 451-500 sq. in.)HFAS050500 $107.52 SKU: HFAS050500 Back $107.52 Quantity -+ Add to Cart Details ?x?x.50" Aluminum and Foam Washable Filter (Between 451-500 sq. in.) DetailsBackDetails?x?x.50" Aluminum and Foam Washable Filter (Between 451-500 sq. in.)See MoreSee Less