* Bellstone Vacuum-cum-Pressure Pump (Diaphragm type) is a
double stage pump to create vacuum through a diaphragm, where
continues operations are required without the fear of sample
contamination through oil vapours where even a slightest environment
contamination through oil mist is forbidden.
* Power : 220/230 volts AC
* Capacity : 25 ltrs. / min air displacement (Double Head)
or as per requirement