?x?x.50" Flat Aluminum Foil Filter with Aluminum Frame (Between 201-250 sq. in.)HXAS050250 $40.72 SKU: HXAS050250 Back $40.72 Quantity -+ Add to Cart Details ?x?x.50" Flat Aluminum Foil Filter with Aluminum Frame (Between 201-250 sq. in.) DetailsBackDetails?x?x.50" Flat Aluminum Foil Filter with Aluminum Frame (Between 201-250 sq. in.)See MoreSee Less