*DURABLE & STURDY- Our HVAC vacuum pump is made of 304 high strength stainless steel, durable and sturdy, long service life. The base was made of composite rubber material for extending machine life. *NOISE REDUCTION- This Vacuum Pump has high efficiency and greatly reduces the motor vibration and noise, giving you a quieter vacuum pump. *EASY MONITORING- The refrigerant vacuum pump comes equipped with an oil viewing window so that you can easily monitor oil levels and quality, prevention of oil deficiency. *INTELLIGENT RADIATOR- This AC vacuum pump can protect itself and prevent it from burning out when something is stuck. Built-in thermal protection, avoid burning machine, extend the machine's life. *WIDE APPLICATION- The automotive vacuum pump is suitable for household air conditioning, automobile maintenance, vacuum packaging, refrigerator vacuum, Industry, etc. ******************************************************************************************************* *Specifications Voltage/Frequency: 220V/50HZ Flow Rate: 4CFM Ultimate Vacuum: 5PA/0.05Mbar Rotating Speed: 1720RPM Power: 1/3HP Oil capacity: 225ml Blue Gauge (low): 2-1/2" diameter Red Gauge (high): 2-1/2" diameter ******************************************************************************************************* *Pakcage Content 1 X 4CFM 1/3HP Vacuum Pump w/ 3 Hoses 1 X Instruction's Manual 1 x Related Accessories Kit Note: The oil is not included.