Selkirk 5" to 8" Top Kit Extension (Stainless Flexible Liner) btu5460 Measures 19″ diameter and 2″

Measures 19″ diameter and 2″ high edges

(1) Round Rigid Pipe

You can choose to mount the junction box in a variety of locations

Valve is mounted in a forward position for optimal performance

Selkirk 5" to 8" Top Kit Extension (Stainless Flexible Liner) btu5460 Measures 19″ diameter and 2″Selkirk 5" to 8" Diameter, Top Kit Extension The Top Kit Extension is a rigid section that can be used to extend the height of your flex liner system. The extension attaches the EZ top plate and the rain cap. Manufactured in 24ga 304 stainless steel with an EZ clamp for easy connection. SFL Stainless Flexible LinerFlexible Stainless Steel Liner is a high performance chimney liner. An integrated hose clamp connection on each component allows quick,