Products 1221-DOW and 1221-OW are "away from wall" substantial effectiveness combination fire/smoke damper specially made for programs in which the damper cannot be mounted throughout the airplane of your wall or floor. They capabilities Nailor’s distinctive inter-locking double skin airfoil blade style and design that removes combustible seals and offers flame and smoke https://heavydutystainlesssteelda24456.bloggerbags.com/42445082/a-review-of-dampers-for-industrial-sector