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LOCK-TOP 09507 13 in. x 13 in. Lock-Top II Chimney Cap-Damper
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. Features Stainless steel and cast-aluminum construction. Lifetime Warranty. Silicone rubber

Price is $384.00

Price: $383.7