?x?x.50" Flat Electrostatic Filter (Between 051-100 sq. in.)ECAS050100 $58.60 SKU: ECAS050100 Back $58.60 Quantity -+ Add to Cart Details ?x?x.50" Flat Electrostatic Filter (Between 051-100 sq. in.) DetailsBackDetails?x?x.50" Flat Electrostatic Filter (Between 051-100 sq. in.)See MoreSee Less