Feature: 1. Reliable Works: This oil free diaphragm air pump with compact size has low noise, small vibration and low temperature rise. 2. Working Safety: The muffler can reduce the working noise, while the filter can rule out the impurities, safe and reliable. 3. Easy Operation: Ensuring pure air inlet, the vacuum pump enables convenient operation and high work efficiency with safety. 4. Better Cooling: Large diameter cooling fan with aluminium heat sink for heat dissipation, copper wire motor, very durable. 5. Practical Uses: With foot pads, suits perfectly for the air exhaust of laboratory, various machines and equipments, etc. Specification: Item Type: Vacuum Pump Model: VN-40 Material: Aluminium alloy, copper. Power: 130W Vacuum Degree: 660mmHg Pumping Speed: 36L/min Voltage: 220V Interface Size: G1/4. Package List: VN-40 (4 X Cylindrical Foot Pads, 4 X Mounting Screws, 3 X Pc8-02, 1 X Muffler, 1 X Vacuum Filter, 1 X Alignment Wire, 1 X Raw Material Belt)