Design: liquid line, diameter: 6mm, length: 30m, split lines made of copper (DIN 12735-1) with flared screw connections, durable and UV-resistant insulation (6.5mm), fire protection class B2. Note: Liquid and suction gas lines are required for operation.Split lines made of copper (DIN 12735-1) with flared screw connections, durable and UV-resistant insulation (6.5mm), fire protection class B2. Note: Liquid and suction gas lines are required for operation.