Add to Cart Compare Quick view Adapters 4" - 5" Economy Stove Flue Pipe Adapter £36.84 inc VAT Increasing adaptors also known as MR adaptors or connectors, connects a smaller diameter stove pipe to a larger diameter flexible flue liner usually by one diameter unless specified otherwise. For example if you had a stove with a 5” outlet and you... £36.84 inc VAT Add to Cart Compare Quick view