Lymance Top Sealing Damper 8 in X 8 in (Single)

The Energy Saving Damper is proven to reduce air loss through the chimney by as much as 90%. Traditional chimney dampers are known to be inefficient and are costing you hundreds of dollars every year. The Damper mounts easily atop a flue tile with silicone cement, which is included. A 32‚ stainless steel cable, handle and bracket, which are also included, drop down the flue.