SPECSTAR 1/3 HP 4CFM Single-Stage Air Vacuum Pump & R134a AC Manifold Gauge Set Safe & High Quality & Durable & Great Choice & High Efficiency & Powerful The single-stage air vacuum pump and R134a AC manifold gauge set is designed for HVAC refrigeration recharging in daily life. The kit package design eliminates the trouble of looking for a suitable air pump and refrigerant pressure gauge separately. SPECSTAR rotary vane air vacuum pump has high efficiency, low noise output, and a wide range of applications, suitable for household air conditioning, automobile maintenance, refrigerator vacuum, industry, etc. Strong Durable Cooper Motor This vacuum pump is equipped with a high-quality copper motor, which can be quickly started and run stably, and does not need extra maintenance for long life. Built-In Thermal Protection The built-in fan design facilitates heat dissipation when the air pump is working and ensures its high performance. High-precision Refrigerant Meter Made of high-quality material that is durable and wear-resistant. High accuracy of reading sight-glass for easy viewing the refrigerant flow. Air Pump Features: -Voltage: 110V -Free Air Displacement: 4CFM（114L/min） -Ultimate Vacuum: 5 Pa -Intake Fitting: 1/4 &1/2 Flare -Oil Capacity: 350ml Safety Precautions: Placed the pump horizontally, not push or pull it on the ground to avoid damage to the damping pad. Don't add water or other liquids in it, don't extract explosive, flammable, high oxygen content, corrosive gas. Package Include: -1 x 1/3 HP 4CFM Vacuum Pump -1 x Bottle of Oil -1 x Manifold Gauge -3 x Color-Coded Hoses -1 x Leak Detector -1 x Storage Bag Technical Details Manufacturer: ‎SPECSTAR Brand: ‎SPECSTAR Model: ‎VH322 Item Weight: ‎17.6 pounds Product Dimensions: ‎10.5 x 8.7 x 4.5 inches Item model number: ‎VH322 Is Discontinued By Manufacturer: ‎No Exterior: ‎Metallic Finish Manufacturer Part Number: ‎VH322 Mirror Adjustment: ‎Manual Special Features: ‎Manifold Guage Set, Color-Coded Hoses Voltage: ‎110 Volts