RWV3CL9G CHIMNEY EXTENSION (2120mm total length*). Lower extension 1060mm, upper extension (vented) 1060mm. Stainless steel.
*Total length is the maximum possible length using both the upper and lower chimney extensions. No allowance has been made for any crossover of the upper and lower chimney extensions sliding across one another. Recommended allowance is 100mm for crossover of extensions when both upper and lower components are utilised.