?x?x.50" Flat Electrostatic Filter (Between 651-700 sq. in.)ECAS050700 $114.28 SKU: ECAS050700 Back $114.28 Quantity -+ Add to Cart Details ?x?x.50" Flat Electrostatic Filter (Between 651-700 sq. in.) DetailsBackDetails?x?x.50" Flat Electrostatic Filter (Between 651-700 sq. in.)See MoreSee Less