?x?x.50" E1 Series Electrostatic Filter (Between 751-800 sq. in.)E1SS050800 $109.28 SKU: E1SS050800 Back $109.28 Quantity -+ Add to Cart Details ?x?x.50" E1 Series Electrostatic Filter (Between 751-800 sq. in.) DetailsBackDetails?x?x.50" E1 Series Electrostatic Filter (Between 751-800 sq. in.)See MoreSee Less