Infants Electric Sputum Suction Unit (AM-23A. III) AM-23A portable electrical sputum suction device can be used for suctioning sputum and other thick secretions in hospitals, and may also be used for fist aid in the household. Features: This device has no oil pump and is maintenance-free. This device has a small volume and low noise. This device is equipped with an overflow protection unit to prevent liquid from getting into pump body. AM-23A. III electric sputum suction unit can be used for suctioning sputum and other secretions for children in hospitals, and may also be used in negative suctioning in surgical operations on children. The machine adopts oil-free lubricating pump, avoiding the pollution of oil mist. The pump requires no daily maintenance and servicing, and the overflow protection device in the machine prevents liquid flowing into the pump. The machine is characterized with small volume, light weight and high mobility. Technical Specifications: Mains: AC 220V ± 10% 50Hz10% 50Hz10% 50Hz Pump structure: Oil-free pump Air pumping efficiency: ≥ 10L/min/min/min Limit of negative pressure: ≥ 0.07Mpa7Mpa7Mpa Adjustment range of negative pressure: 0.013 - 0.07Mpa Input power: 150VA Liquid vessel: 1000ml Noise level: ≤ 45dB45dB45dB Work mode: Intermittent loading, continuous operation