13X17 Lock Top II Chimney Cap Damper

Replace your fireplace damper. Lock Top II fireplace top sealing damper with spark screen. The damper seals cold and hot air out, and the cap provides extra rain, animal, and spark protection. The Lock-Top also eliminates downdrafts, seals out rain which can deteriorate the inside of your chimney, and prevents entry by pests like squirrels, raccoons, and nesting birds.A cable drops down your flue and attaches to a handle which mounts where you can reach it for convenient opening and closing.

Will fit flue tiles from 9" X 14" to 12 1/2" X 17 1/2" Inside Flue