The Lock-Top II combines the engergy-saving features of the Lock-Top Damper with a special stainlesss steel Gelco chimney cap.
The Lock-top II comes fully assembleld. The base mounts to the included sweep's ring which attaches to the flue with silicone sealant which is also included.
A 30' stainless steel cable (included) drops down the flue, and a hardware set (included) mounts in the firebox.
The Lock-top II has a lifetime warranty and is available in 3/4" and 5/8" mesh.