Chimney Conversion Kit B [Includes: Exterior Cap Adapter [Aluminum], Interior Retro Connector [Black] For 7-8" Insulated Chimney], 4" x 6 5/8" Diameter, DirectVent - 46DVA-KCB

46DVA-KCB is a 4 inches by 6-5/8 inch diameter chimney conversion kit. In this kit is a aluminum exterior cap adapter and a black interior retro connector for used with a 7-8 inch insulated chimney.

4" Aluminum Flex Flex409 is sold separately.

This is used with Direct Vent pipe and is an OEM DuraVent venting component.