Chimney Sheep chimney draught excluder. Round 8-inch model made from Herdwick wool. Good for 4 to 6 inch diameter flue pipes according to their sizing chart. Sticker suggests they were made in 2023, seems about right as they've been in our chimneys a couple of years. They were installed and rarely removed so no significant wear.
The Chimney Sheep Chimney Draught Excluder - Round 8" 20cm is perfect for effectively preventing draft and smoke from escaping through your chimney.
