This chimney liner features a smooth interior for less turbulence and better draft. The expanded ends allow for better air flow, and the smooth-weld seams seal gases and moisture completely while keeping pipes perfectly round.

Features

• For Forever Flex, UltraPro, and Pro.
• 316L-Alloy Stainless Steel
• Designed for oil, non-condensing gas, and coal appliances.
• Offers the most efficient venting due to turbulence.
• Tight, secure fit every time.
• Avoids leaks and drips.

Specifications