The Star Flex adapter is a brand new product which allows chimney liner to be supported from the top of the chimney pot while allowing the installer to be able to backfill with a loose insulation material such as vermiculite around the outside of the liner. The other advantage to this adapter is that it can be used on its ow, or in conjunction with either a standard Colt Chimney Cowl or a suspending cowls such as the Colt Top Flex or High Top Flex. When installing with a suspending cowl, simply nip off the stainless steel legs on the spigot. Colt Cowls Star Flex Adapter Advantages Constructed entirely from stainless steel Easy to fix liner using robust worm screw arrangement Supports liner from the top of the chimney pot Allows enough space to pour back fill down the outside of the chimney liner Fits all flues regardless of brand Can be used in conjunction with any standard Colt chimney cowl, or suspending cowl such as Colt Top Flex or High Top Flex Available for 125 and 150mm liner Suitable for chimney pots up to 250mm internal diameter Specifications Internal Flue Size: 125mmMaterial: Stainless Steel