FlueSnug (by PipeSnug) 100mm Black - boiler flue collar and seal | City Plumbing Supplies
Ideal Heating Universal Weather Collar - Screwfix
PipeSnug - Peer behind a boiler flue weather collar and this is what you will often see 👀. Cracked, broken mortar. Air-tight? Nope! FlueSnug - available soon 👌😎 - - - #NoPointPointing #