Blue and red quick connector valves for R-134a refrigerant. The adapters are made of CNC aluminum, steel, rubber seals and designed to fit over R-134a air conditioning system service valves. The blue adapter is for a low pressure service valve, and the red is for a high pressure service valve. Both valves can be controlled by spinning the top of the adapter caps. Both adapters include M12x1.5 to 1/4 SAE brass thread adapters. 

Features:

• Bright blue and red colors for easy indication to correct service valves
• Smooth opening and closing action with rotation of the top cap
• Suitable for standard type of manifold gauges that can be used with 1/4 SAE threaded fittings
• Specifically made for R-134a service valves
• Safety sleeve locking mechanism to prevent accidental breakaway

Specifications: 

• Model: YS-102
• Fitment: for R-134a refrigerant systems
• Blue connector for low pressure service valve
• Red connector for high pressure service valve
• Includes threaded M12x1.5 to 1/4 SAE brass adapters
• Blue adapter height: 1.9in or 49mm
• Red adapter height: 1.9in or 49mm
• Red or blue adapter diameter: 1.3in or 32mm 
• Weight: 11.4.oz or 324g

Package includes:

• Red R-134a low pressure adapter valve
• Blue R-134a high pressure adapter valve
• Retail packaging