Rocker 400 Oil Free Vacuum Pump

https://youtu.be/Bim4cp_gXuw
 
Oil Free Vacuum Pump / Dry Vacuum Pump Features:
 No air pollution, maintenance free
Rocker series lab vacuum pumps are driven by Piston, without the need of lubricant, regular oil changes and maintenance; with no oil pollution.
 
Moisture trap with filter cartridge
Rocker 400 lab vacuum pump is equipped with filter cartridge at the air inlet to filter particle and moisture to prolong the life of pump.
 
Vacuum regulator
Rocker series lab vacuum pumps are equipped with vacuum regulator to adjust vacuum.
 
Thermal protection device
Every motor of Rocker series lab vacuum pumps has a built-in thermal protection device to shut off the pump automatically when overheated and then resume working when the temperature cools down.
 
Prote™ overflow protection 
Rocker 400 lab vacuum pump is equipped with Prote™ overflow protection which can prevent a large amount of liquid from being sucked into the pump.