Klik for dansk 
Special Dampers
Kolster
Special Dampers
SSR CHIMNEY DAMPER
KLS BYPASS DAMPER
Products
Special Damper
Used as a shut-off damper for chimneys.
The damper has built-in drainage ducts for drainage of rain water
Special Damper
This KLS damper is a customized By Pass damper 1500 x 2750, with an air barrier on the one end and a soft seal on the other. The damper is made of corrosion resistant material 254 SMO and made with a hatch for inspection of gaskets.