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Universal Components

6" Forever Flex Light Flex Offset Box - OSBOX6

Item: 03607401
MSRP: $334.58
  • For Forever Flex, Ultra Pro, and Pro
  • Removable clean-out door to allow for easy maintenance
  • Thick, durable construction ensures it lasts for a very long time
  • Quickly and simply connects or disconnects
  • Eliminates frustration with most chimney liner offset issues
  • Creates a tight, secure fit to prevent drips, leaks, or drafts
  • No additional hardware is needed

6" Forever Flex Light Flex Offset Box - OSBOX6

This offset box is designed to allow you to adjust the insert front and back inside the firebox. The top collar receives 6" flex liners with the Quick Connect System. The bottom collar fits inside the outlet on the insert.

WARNING: 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