Portable 300Bar PCP Compressor: This powerful dual-cylinder PCP scuba tank compressor delivers 30MPA (4500 PSI) with a 40L/min airflow.it takes about 3 minutes to fill 0.5 liters from 0-300 bar and it takes about 28 minutes to fill 6.8 liters from 0-300 bar, high-pressure air for large-capacity scuba tanks, paintball HPA systems, and PCP air rifles—no more long waits for a full fill Two Stage Compression Cylinder: Engineered with a robust dual-cylinder, two-stage compression system, this high-pressure air compressor is designed for consistent and reliable performance. This makes it suitable for car tires, bicycle tires, blown pneumatic PCP air rifles, paintball tanks, air gun equipment or diving / diving cylinders Manual shut-off 300Bar High Pressure Diving Compressor: Featuring an easy-to-read gauge sensitive and accurate response, correct display of the air pressure value of the PCP air compressor. This provides added safety and prevents over-pressurisation, making it ideal for precise filling of paintball tanks or dive bottles Excellent Water and Fan Cooling System: Designed for demanding operation, this water/fan cooled pcp air compressor utilises both a water-cooling circuit (requiring an external water supply) and a fan-cooling system, monitored by a digital thermometer. This combined approach helps manage heat effectively, supporting longer run times and compressor durability.Do not start the machine without preparing cooling water. Before using the compressor, replace the oil breather and top up with oil Wide Application: This 300 bar air compressor is suitable for professional and industrial use. It is well-suited for fire service equipment testing, paintball, leak detection, automotive diagnostics, and various high-pressure air testing applications, offering a capable and reliable air source, Weight: 61.72943336 Pounds, Manufacturer: Xiamen Subang Technology Co.,Ltd.