vacuum cleaner GXA-1 Pneumatic Industrial Vacuum Cleaner Without electrical motor and turning parts, worked by compressed air, Strong suction, can work continuously for vacuuming. Suitable for non-power supply, inflammable and explosive places Industrial Pneumatic Vacuum Cleaner is equipped with stainless steel body. It is made of anti-acid hose and high density filter to protect motor effectively. Can not be used for flammable gases and liquids Filter chest and dust trunk are combined into one, convenient and also withstrongly suction, they are designed elevated to make dust dumped easily. Type: GXA-1 Wind Flow: 98 m³/h Filter Precision: 0.3-10μm Max Pressure: 37Kpa Volume: 20L Noise: 70dB