?x?x.50" Flat Aluminum Foil Filter with Aluminum Frame (Between 051-100 sq. in.)HXAS050100 $33.72 SKU: HXAS050100 Back $33.72 Quantity -+ Add to Cart Details ?x?x.50" Flat Aluminum Foil Filter with Aluminum Frame (Between 051-100 sq. in.) DetailsBackDetails?x?x.50" Flat Aluminum Foil Filter with Aluminum Frame (Between 051-100 sq. in.)See MoreSee Less