Function: The refrigerant valve installed in the air conditioning outside charging tube, can minimize the charging and maintenance process of refrigerant loss and Frostbite.
Wolfride 2Pcs Refrigerant Charging Valve Set, Brass Low Loss Small, Yellow
Durable 60" Refrigerant Charging Hose with 3000 PSI Burst Pressure - 3 Color Set
uxcell Refrigerant Charging Hose, 1/4 SAE Thread 4.92Ft 4.92 feet, Blue
Refrigerant Charging Hoses with Diagnostic Gauge Set 60in R410A R22 R404 HVAC
