Twin Wall Insulated Stainless Steel Flue Flues Enquire
The standard product is manufactured from 316 grade stainless steel ( inner skin ) and a 304 grade stainless steel outer skin with a 25mm mineral insulation between.
Available in diameter of :-
125mm ( 5" ) inner skin - 175mm ( 7" ) outer skin
150mm ( 6" ) inner skin - 200mm ( 8" ) outer skin