?x?x.50" Flat Electrostatic Filter (Between 1501-1750 sq. in.)ECAS051750 $249.96 SKU: ECAS051750 Back $249.96 Quantity -+ Add to Cart Details ?x?x.50" Flat Electrostatic Filter (Between 1501-1750 sq. in.) DetailsBackDetails?x?x.50" Flat Electrostatic Filter (Between 1501-1750 sq. in.)See MoreSee Less