?x?x.50" E1 Series Electrostatic Filter (Between 551-600 sq. in.)E1SS050600 $93.00 SKU: E1SS050600 Back $93.00 Quantity -+ Add to Cart Details ?x?x.50" E1 Series Electrostatic Filter (Between 551-600 sq. in.) DetailsBackDetails?x?x.50" E1 Series Electrostatic Filter (Between 551-600 sq. in.)See MoreSee Less