Flue Liner Increasing Register Plate Adaptor (Top Hat) 150 mm to 175 mm 6 - 7 Inch

Theincreasing Register Plate Adaptor is installed at the base of the chimney. It has a 125mm connection on the underside of the plate to fit into vitreous / stove pipe. The connection above the 300mm x 300mm plate has a 150mm adaptor to connect directly to your flue liner. Ideally, the 300 x 300 plate will be fixed to the top side of a register plate.