YONG HENG 30MPa Air Compressor Pump 110V PCP Electric 4500PSI High Pressure USA. FAST FILLING: It takes only 38 minutes to fill full 6.8L tank to 300BAR, perfect for air impermeability test, pressure proof test, etc. DURABILITY: Alloy air cylinder and high-quality components ensure years of use. PERFORMANCE STABILITY: Designed…