?x?x.50" Aluminum and Foam Washable Filter (Between 501-550 sq. in.)HFAS050550 $112.48 SKU: HFAS050550 Back $112.48 Quantity -+ Add to Cart Details ?x?x.50" Aluminum and Foam Washable Filter (Between 501-550 sq. in.) DetailsBackDetails?x?x.50" Aluminum and Foam Washable Filter (Between 501-550 sq. in.)See MoreSee Less