Zehnder ComfoPipe Plus twin duct for DIN 1946-6 compliant removal of outside and exhaust air. Thanks to the high-quality insulation material made of EPP, the duct enables compact removal, while simultaneously meeting insulation requirements up to 60 mm. The special connection geometry ensures a safe and air-tight connection without the risk of condensation. The duct system comprises one duct piece 400 mm long, a switching unit for universal change of direction and various connection boxes for unit connection.