Joywayus 3 Color 1/4" SAE Thread Brass Fitting Nuts 72" (600-3000) PSI Car HVAC Air Conditioning Refrigeration Charging Hose Tube R12 R22 R134a 404 502 3pcs

72 inch hose set color coded in red, yellow, and blue.

600 PSI working pressure and 3000 PSI burst pressure.

High pressure provides you with safe and convenience testing for many HVAC systems.

The solid brass nuts are deeply knurled for quick finger-tightening, easy to use.

A strong six-sided crimp provides a reliable connection between the hose and barb even at maximum pressure.