LOCK-TOP 09110 8 in. x 13 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: 8" W x 13" L. Fits Inside Flue Sizes: 6" x 9" to 9-1/2" x 12-1/2". Height of Open Lid: 8-1/2". Cross-Sectional Area: 49" Sq.