Designs 1221-DOW and 1221-OW are "away from wall" higher performance mixture fireplace/smoke damper precisely created for applications where by the damper can not be installed in the plane of your wall or floor. They options Nailor’s distinctive inter-locking double pores and skin airfoil blade structure that gets rid of combustible seals and presents https://knoxfvlzn.blogspothub.com/35942358/indicators-on-heavy-duty-stainless-steel-damper-manufacturers-you-should-know