The Metaloterm® US system is a modular concentric balanced flue system, made of stainless steel which combines air inlet and flue. Metaloterm® US is suitable for high temperature, non-condensing applications with flue gasses in negative pressure. It can be applied on all types of balanced flue gas-fired stoves (class C11 and C31).
Rais stoves and inserts stand for Danish design of the highest quality. And recently they have added chimney tubes to their collection. Ontop developed a special product line for Rais in the colours black, white, nickel, silver, mocha and platinum.