Design Collection 1220M and 1220M-3 "three-in-one" Modulating Fire/Smoke Dampers are engineered to provide high quality containment in fireplace and smoke circumstances. The addition of quantity control utilizing a modulating actuator gets rid of the necessity and cost of a individual control damper. Look at Products Specifics Do not instantly open https://heavydutystainlesssteelda67899.vblogetin.com/42910107/fascination-about-dampers-for-industrial-sector