For air conditioning / refrigeration. Length: 1 – 8 m. Seamless drawn copper tubes. Designed for chillers and air-conditioning systems. The pipes are emptied and cleaned inside. Operating temperature -70°C + 120°C. Water vapor resistance: u> 5000. Pre-insulated pipes are suitable for refrigerant gases R32, R410A and R407C. Foam colour: light grey. Color of the protective film: white. Pipe thickness: 0.8mm. Copper pipes – diameter. 1/4 – 6.35mm. 3/8 – 9.52mm. The sets are available from 1 meter to 8 meters. (one 1/4″ and one 3/8″) of the same length you choose. 1/4″ + 3/8″ sets fit most common air conditioners (2.5 kW and 3.5 kW). IBAN: DE 82 8505 0100 0232 0452 32 BIC (SWIFT): WELADED1GRL.