Product D1201-OW and D1201-DOW are "from wall" large efficiency dynamic hearth dampers. They provide premium general performance in addition to a lower force fall well suited to the vast majority of business apps. Exclusive, inter-locking double skin blade design and style eliminates combustible seals and presents flame defense under hearth https://simonqfthu.bloggadores.com/36085104/heavy-duty-stainless-steel-damper-manufacturers-can-be-fun-for-anyone