Maximize your fleet's uptime and minimize costly refrigerant leaks with the MASTERCOOL MSC-45722, a 72-inch heavy-duty refrigerant hose. This isn't just another hose; it's a precision-engineered solution designed to withstand the rigors of daily use in demanding fleet operations. Constructed from high-quality Grade 5 nylon, this hose boasts exceptional durability and resistance to high pressure. Its 750 PSI working pressure and 3000 PSI burst pressure provide ample safety margin, ensuring reliable performance even in the most demanding situations. The key to its efficiency lies in its innovative auto-shut-off valve. This critical feature instantly seals the hose when disconnected, preventing accidental refrigerant release and eliminating the risk of environmental hazards and costly repairs. The valve's design also enhances technician safety and reduces the risk of injury. This hose is not only safe and reliable, but also incredibly easy to use. Knurled brass nuts allow for easy finger tightening, streamlining the workflow and reducing installation time. Crimped with 8 segment dies, the hose fittings ensure a secure and durable connection, minimizing the chances of leaks or disconnections. The MASTERCOOL MSC-45722 is more than a product; it is an investment in efficiency, safety, and reduced downtime for your fleet. Choose MASTERCOOL for quality, reliability and peace of mind.