This is a new Old stock draft diverter for use with 7 inch or 175 mm flu systems. It is adjustable and it is used to reduce a drawer on a flu or chimney that is either in an exposed location or is very tall this item is very useful for use in conjunction with Aga and Rayburn appliances to maintain a steady heat whatever the flue conditions are. Supplied with full instructions, the box and the instructions are a bit tatty, but it doesn’t affect the use.
