Single Wall Lifetime Liner or Smooth Wall Lifetime Liner ... Which is Best?
7" Single Wall Lifetime Chimney Liner - Lifetime Chimney's single-wall liner kits offer a standard, economical option for chimney lining. These liners are flexible and durable.
7" Smooth Wall Lifetime Chimney Liner - Lifetime Chimney's smooth-wall liner kits offer superior strength and advanced draft for a long-lasting chimney liner that optimizes the performance of your heating appliance. See all 7" chimney liner.