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4" X 25' Aluminum Pre-Cut Liner - LA425

Item: 03601631
  • For Standard Forever Flex components
  • Can improve the structural integrity of your chimney
  • Long-lasting durability
  • Provides smooth, insulated passageway for venting
  • Flexible and strong construction
  • Secure connections to prevent leaks, drafts, and drips
  • Pre-cut to common lengths

4" X 25' Aluminum Pre-Cut Liner - LA425

This is a flexible aluminum liner that is lightweight, thick, and durable. It is used for gas venting only.

Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to

Forever Warranty