?x?x.50" Flat Electrostatic Filter (Between 251-300 sq. in.)ECAS050300 $73.32 SKU: ECAS050300 Back $73.32 Quantity -+ Add to Cart Details ?x?x.50" Flat Electrostatic Filter (Between 251-300 sq. in.) DetailsBackDetails?x?x.50" Flat Electrostatic Filter (Between 251-300 sq. in.)See MoreSee Less