Mastercool uses only Grade 5 Hose for high pressure applications
Knurled brass nuts make finger tightening easy
Crimped with 8 segment dies for secure fit and maximum durability
Auto shut-off valves automatically retain refrigerant in the service hose when they are removed from the system
WARNING: This product can expose you to chemicals including LEAD AND LEAD COMPOUNDS, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.