Airfoil Blade Out of Wall & Front Access Smoke Dampers

SSD-AF-FA and SSD-AF-OW is a series of CVS-SAFE4 UL/ULC classified out of wall and front access smoke dampers manufactured with “Airfoil” type blades. These dampers have been investigated at minimum 2000 feet per minute at 4 in. w.g. of static pressure for a leakage rating as defined under Class I or Class II (UL555S).