Atoplee AC Charging Hoses Refrigerant R12 R22 Air Conditioning Refrigeration Set 11inches Appearance: smooth,Applicable temperature: -30 to 100 , Tube length:30 cm Structure: Hose lining: high acrylonitrile NBR;hose protective layer: NBR & PVC Nitrile PVC blends;intermediate reinforcing layer: polyester fiber helix This economical kit is ideal for use with small containers of R-12 and R-22 Includes dispensing valve, locking base clamp, charging hose R-12 Recharge kit comes with everything needed to connect and charge a can of R-12 through the low-pressure service port,Kit comes with a recharge hose, can tap, and locking dispenser clamp Side connected opener Applicable standards BS ISO 8066-2-2001 Suitable for conveying R12 R22 and other refrigerants media.Can be used in automotive refrigeration, air conditioning, industrial air-conditioning equipment