1. Maintenance free, double piston cylinder, oil-less pump, and high flow rate, without pollution by oil mist.
2. The bottles hung beside the stand, easy to observe and operate.
1. Max Vacuum:≥0.09MPa(680mmHg)
2. Vacuum adjustable range:0.02～0.09MPa(150～680mmHg)
3. Flow rate:≥40L/min
4. Storage bottles: 3000ml×2
7. Power supply: AC220V 50Hz