3m Refrigerant line for split air conditioning, ready-to-use insulated copper tube 1/4" + 3/8", pre-insulated tubes for R32, R410A and R407C refrigerant gases

The kit consists of two insulated tubes, 1/4" and 3/8" (6.35 mm and 9.52 mm), both xm long, with connecting nuts/collars. Ready to install. Ready-to-use 1/4" + 3/8" insulated copper tubing suitable for most common air conditioners (2.5 kW and 3.5 kW). Seamless, drawn copper tubing. For use in refrigerators and air conditioners. Insulation thickness: 7 mm. Specially cleaned with sealed ends. The tubes are drained and cleaned internally. Capped with plugs at the ends. Operating temperature: -70 °C to +120 °C; Water vapor resistance: μ > 5000