JB Industries Manifold, For Use With: R-22, R-404A and R-410A Refrigerant, 3/8 in Vacuum Port Connection, 0 - 800 lb/sq-in High Side Red, 30 inHg to 500 lb/sq-in Low Side Blue Gauge Range, Brass

• Metering ball valves adjust to do finite openings for liquid charging
• Glow in the dark 3-1/8 in Gauges R-22, R-404A, R-410A
• 1/4 in turn full open/close handle
• Four internal ball valves
• 3/8 in port for faster evacuation
• Hose holders swivel to the front and rear for flexibility
• Pull out proof hanging hook
• Soft grip rubber hand wheels reduce turning to open/close
• Surge dampened gauges for reduced needle movement
• All metal gauges
• No liquid charging adapter necessary