Design Collection 1220M and 1220M-3 "three-in-1" Modulating Hearth/Smoke Dampers are engineered to supply high quality containment in fireplace and smoke conditions. The addition of volume Handle utilizing a modulating actuator eliminates the necessity and price of a separate Regulate damper. View Solution Information Model Sequence 1220 and 1220-3 Mix Fireplace/Smoke https://heavydutystainlesssteelda24566.webdesign96.com/37358331/the-greatest-guide-to-heavy-duty-stainless-steel-damper-manufacturers