I would like to receive more information on:

Stainless steel single wall gas extraction flues Insulated double wall flues. Inside in stainless steel and outside in stainless steel or copper Stainless steel hoses with smooth inner surfaces Stainless steel and aluminium piping with smooth inner surface Stainless steel flexible and exendable gas pipes with yellow heat-shrunk covering UNI CIG 9891 Stainless steel flexible and exendable gas-pipe connections with yellow heat-shrunk UNI CIG 9891 Stainless steel flexible and extendable water-pipe connections UNI 7129 Stainless steel flexible high resistant water hoses

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