This convenient kit is used to diagnose and service a vehicle's A/C system. A/C Manifold Gauge Set can be used to test, evacuate and fill automotive or household air conditioning systems. A carrying tote convenient storage and easy transportation Manifold Gauge Features: Heavy duty hook for hanging the manifold gauge in place No-flutter gauge design Solid Brass connections 36" Color coded charging hose Designed to meet 1/4" Standard SAE requirement for refrigerant permutation R-134A automotive air conditioning dispensing valve design with hand operated punch/valve control, connects all R-134a refrigerant cans with 1/4" Male threads. Ideal for R12, R22, R134a, R410a Quick disconnect couplers for high/low fittings included Technical Specifications: Operating Pressure: 600 PSI Burst Pressure: 3000 PSI Manifold Blue Gauge (low): 0-150 PSI Gauge Reading: R12, R22, R134a, R410a Hose Length: 36" Vacuum Pump Features: Easy To See Oil Level Window - Oil viewing windows allows you to monitor oil quality and levels Easy To Maintain: Oil drain plug located at bottom of oil reservoir Easy To Operate: On/off switch Turn On & Go: Easy start & maintenance free Efficient Cooling: Built-in high volume cooling fan for extended use Portability: Non slip contoured carrying handle Safety: Exhaust port with cap Technical Specifications: Free Air Displacement: 3 CFM Microns Rating: 75 microns (10pa) Power: 1/4HP Voltage 110V/60hz RPM: 1400 Ultimate Vacuum: 5pa Oil Capacity: 320mL Inlet Port: 1/4" Flare Package Contents: Manifold Gauge Kit R134 Can Tap Vacuum Pump Vacuum Oil Carrying Tote