?x?x.50" E1 Series Electrostatic Filter (Between 651-700 sq. in.)E1SS050700 $104.60 SKU: E1SS050700 Back $104.60 Quantity -+ Add to Cart Details ?x?x.50" E1 Series Electrostatic Filter (Between 651-700 sq. in.) DetailsBackDetails?x?x.50" E1 Series Electrostatic Filter (Between 651-700 sq. in.)See MoreSee Less