09509 13" x 17" Lock-Top II Chimney Cap/damper, 3/4" Mesh

Product Information                                            

• Stainless steel and cast-aluminum construction
• Lifetime Warranty
• Silicone rubber seals tight

The Lock-Top II comes fully assembled. Its base mounts to the included sweep’s ring which attaches to the flue tile with silicone sealant (included). A 30' stainless steel cable and hardware are also included. All Lock-Top II cap/dampers have an overall height of 11-3⁄8".
Note: Don't use Lock-Top dampers with gas logs - failure to open could cause carbon monoxide to back up into the house. In case of a gas leak, gas could be trapped in the flue, resulting in an explosion.