[FUNCTION]:The compressor hose functions as a compressor jumper and transfers vibrations from the air compressor to a filter regulator/air tank or other piping system,extending the lifespan of equipment. [ROTATABLE COUPLING]:This product is equipped with a rotatable NPT compression coupling at both ends of the hose.Before assembling the hose onto the coupling,make sure to install the adapter onto other devices.After installation,the rotation function be locked. [FLEXIBILITY ]: The hose is designed to be highly flexible, with 3/4inch NPT external threaded joints on both sides that can rotate freely. It comes with 3/4inch internal threaded rotating joints for easy installation and movement. [STABLE ADAPTABILITY PERFORMANCE]:This product hose can maintain good performance in the temperature range of -50 ° F to 750 ° F or under high pressure conditions of 453 PSI,and can adapt to certain extreme environments. [TECHNOLOGY]:The compressor hose is made of stainless steel braided fabric and corrugated stainless steel. The hose and joint are connected by underwater welding to the sealing of the hose,and are ground and polished to make the overall structure of the product sturdy and beautiful., Manufacturer: Ounfhtrttk