1. Convenient to operate without oil, noise and air pollution 2. Cylinders and pistons are of excellent materials, which is strong and durable and have little wear after long time of working 3. Using high quality aluminium alloy housing, good condition of heat dissipation 4. Widely used to provide oxygen in fish farms, restaurants, and aquariums 5. Voltage / frequency: 220V / 50Hz 6. Current: 0.3A 7. Power: 58W 8. Exhaust pressure: 0.028Mpa 9. Exhaust volume: 75L/min 10. Outlet port outer diameter: 10mm 11. Product size: 210x125x155mm 12. Product weight: 3000g
