HOMCOM Single Stage 4 CFM Rotary Vane Vacuum Pump - Blue/Silver &#x2705;INDUSTRIAL DESIGN: A heavy-duty aluminum alloy body makes this refrigerator vacuum pump your ideal choice for a variety of needs and applications. &#x2705;EASY MONITORING: This rotary vane vacuum pump comes equipped with an oil viewing window so that you can easily monitor oil levels and quality. &#x2705;LOW NOISE, LONG LIFE: Our single stage 4 CFM rotary vane vacuum pump runs and operates quietly and will last a long time thanks to its durable design. &#x2705;EFFICIENT AND EASY: The refrigeration pump efficiently removes moisture and air from air conditioning systems and includes two bottles of vacuum oil. &#x2705;INNOVATIVE TECHNOLOGY : The refrigerant vacuum pump is designed to prevent oil from flowing back and polluting its container and tubes. Removes air and moisture Prevents oil flowback Oil viewing window Large filter for high efficiency Low noise and long service life Material: Aluminum Alloy, Copper Coil Overall Dimensions: 10.6&#034; L x 4.5&#034; W x 8.5&#034; H Voltage/ Frequency: 110V/ 60HZ Flow Rate: 4 CFM (114 L/MIN) Ultimate Vacuum: 5 Pa (0.05 mbar)/ 150 Microns Rotating Speed: 1720 RPM Power: 1/3 HP Inlet Port: 1/4&#034; Flare Oil Capacity: 225 ml Net Weight: 17 lbs.