Sunlight - Disposable negative pressure drainage bottle （Type W-III）

Product Features：
(1) Only extrusion is needed to form a continuous and stable negative pressure.
(2) It is equipped with an anti-backflow device, which can effectively prevent retrograde infection.
(3) The drainage is clean and thorough with definite effects, which is significantly better than that of ordinary negative pressure devices.
(4) The maximum negative pressure value is 0-12kPa, and the magnitude of the negative pressure can be adjusted by the squeezing force.
(5) The product has precise scales and clear measurement. The development of ball valves is convenient for discharge.
(6) It is intuitive and safe to use without the need for professional skills, effectively reducing the intensity of nursing work.