Safely and efficiently charge, recover, and evacuate CFC, H/CFC, HFC, HFO, R410a, R134a, and R12234yf refrigerants in residential and commercial HVAC/R systems with this hose kit. In addition, this convenient hose kit comes with three hoses (red, blue, and yellow) and features working pressure of 800 psi and ΒΌ" SAE female fittings.