LOCK-TOP 09125 13 in. x 17 in. Lock-Top Energy-Saving Damper
Energy-Saving Chimney Damper. Stainless steel lid with attached to a cast-aluminum frame by an array of stainless spring wires. Locks energy in with a seal of silicone rubber. Includes a 30' drop cable that is operated with a handle mounted in the firebox. Features a safety device that locks the damper open during a chimney fire. Top sealing dampers with gas logs are not recommended. Manufacturers lifetime warranty for all fuels. Size: 13" W x 17" L. Fits Inside Flue Sizes: 9" x 14" to 12-1/2" x 17-1/2". Height of Open Lid: 7-3/4". Cross-Sectional Area: 150" Sq.