?x?x.50" Flat Aluminum Foil Filter with Aluminum Frame (Between 000-050 sq. in.)HXAS050050 $31.16 SKU: HXAS050050 Back $31.16 Quantity -+ Add to Cart Details ?x?x.50" Flat Aluminum Foil Filter with Aluminum Frame (Between 000-050 sq. in.) DetailsBackDetails?x?x.50" Flat Aluminum Foil Filter with Aluminum Frame (Between 000-050 sq. in.)See MoreSee Less