?x?x.50" Flat Electrostatic Filter (Between 1751-2000 sq. in.)ECAS052000 $267.28 SKU: ECAS052000 Back $267.28 Quantity -+ Add to Cart Details ?x?x.50" Flat Electrostatic Filter (Between 1751-2000 sq. in.) DetailsBackDetails?x?x.50" Flat Electrostatic Filter (Between 1751-2000 sq. in.)See MoreSee Less