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Universal Components

4" Forever Flex Mortar Collar - MC4

Item: 03600548
MSRP: $59.36
Product Details
  • For Forever Flex, Ultra Pro, and Pro
  • Creates a round passageway through a masonry chimney
  • Smooth, polished exterior for clean-looking appearance
  • Strong, durable construction ensures it lasts for a long time
  • Secure fit prevents drafts and leaks
  • Reinforced exterior protects against outside forces
  • No additional hardware is needed

4" Forever Flex Mortar Collar - MC4

This mortar collar is used to create a round passage through a masonry chimney that will work with an appropriate size liner pipe when making a connection to a heating appliance.

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