KOCH™ FILTER 539-020-020 SPRAYSTOP SUPER HIGH CAP. PAINT BOOTH OVERSPRAY COLLECTOR 20""W X 20""H X 1-1/2""D SPRAYSTOP HCX MEDIA IS DESIGNED FOR APPLICATIONS WHERE LONGER FILTER SERVICE LIFE STACK PROTECTION AND EMISSIONS CONTROL ARE DESIRED. THE SPRAYSTOP SHC HAS AN OVERSPRAY CAPTURE EFFICIENCY OF 99.33 AND A PAINT HOLDING CAPACITY OF 2.08 POUNDS PER SQUARE FOOT.