?x?x.50" Aluminum and Foam Washable Filter (Between 401-450 sq. in.)HFAS050450 $102.60 SKU: HFAS050450 Back $102.60 Quantity -+ Add to Cart Details ?x?x.50" Aluminum and Foam Washable Filter (Between 401-450 sq. in.) DetailsBackDetails?x?x.50" Aluminum and Foam Washable Filter (Between 401-450 sq. in.)See MoreSee Less