Security Chimneys Secure Black 6DL6 Double Wall Lengths h10.5 6" (152mm) uninsulated flex duct

6" (152mm) uninsulated flex duct for use with outside air kit

Watch the fire dance within the walls of your fireplace and feel the heat warm your toes

choose from the following finishes: matte black

natural effect that will add a warm rustic elegance to your fire feature

This unique system delivers just the right amount of heat to maintain a comfortable temperature

Security Chimneys Secure Black 6DL6 Double Wall Lengths h10.5 6" (152mm) uninsulated flex ductOverview Since starting operations in 1960, Security Chimneys International has built a reputation as one of the most trusted suppliers of quality chimneys in North America. Our dedication to total quality lives in the research and development of new products and services for the residential and commercial markets. With a 104,800 square foot manufacturing facility in Laval, Quebec, we are fully equipped and accredited to certify that all our products