It closes off the gap around the underside of the cowl. Made from aluminium so will have surface scratches slightly rough edges, etc.
Ventilator 6" Steel Cowl Adaptor To Fit Twin Wall Pipe for Wood Burning Stoves
Mi-Flues TWPro 150mm 6" Matt Black Single Wall To 6" Twinwall Adaptor ( 8")
Flue Liner Kit Multifuel Flexible Anti Down Draft Cowl Adaptor kit 904 - 904
5″ inch to 6" Increaser Adaptor Single Wall stove Flue Pipe 125-150mm Black
Gas Flexible Flue Liner Installation Pack B (Cowl & Clamp Plate) 5" (125mm)
Charnwood Country 6 Baffle / Throat Plate - 010/DY31
