Adopting oil-free lubrication vacuum pump, high negative pressure, low flow rate.
Adopting ABS one-time molding plastic shell, easy to operate, small in size, light in weight, and convenient to carry.
Both sides of the body are equipped with plug-in structures, which can be equipped with two plastic bottles for easy replacement.
The negative pressure value can be infinitely adjusted according to the viscosity of phlegm and mucus.
Equipped with overflow valve protection device to prevent liquid from entering the intermediate pipeline and negative pressure pump.
The whole machine has strong working stability and low noise.