This energy saving damper seals tightly to save you money! The rubber gasket seals tight like a storm door for your fireplace and keeps heating and cooling dollars where they should be…in your pocket!  Constructed with a stainless steel lid attached by stainless steel springs to a cast aluminum frame, this damper can be mounted on top of your Boost-a-Cap or on top of your chimney flue to keep out animals and rain, and easily operates from inside your firebox, sealing tight every time you close it.

SKU: DLT88 Category:


  • Material:  Cast Aluminum Frame, Stainless Steel Lid & Springs and Silicone Rubber Seal
  • Lid Opening Height:  8 inches
  • Weight:  7 – 8 pounds
  • Mounting Type: Outside – Top of chimney flue or top of Boost-a-Cap
  • Fits Flue Sizes:  6×6  to  9×9 inches
  • Installation:  Bolt On
  • Items Included:  30′ Drop Cable and Mounting Kit