Details
Performance characteristics:
1. Adopting oil-free lubrication vacuum pump, high negative pressure, low flow rate;
2. Adopting ABS one-time molding plastic shell, easy to operate, small in size, light in weight, and convenient to carry;
3. The negative pressure value can be infinitely adjusted according to the viscosity of phlegm and mucus;
4. Equipped with overflow valve protection device to prevent liquid from entering the intermediate pipeline and negative pressure pump; 5. The whole machine has strong working stability and low noise.
Parameters
