Ceramic plunger, durable in use;

High performance motor

Motor overloaded thermal protection switch

Electric leakage protection plug

Stainless iron shell

The design of this model is using Water lubricating mechanism

that replaced the device for the plunger loaded with butter. And

It can make a small amount of water return to the suction chamber

which is leakage oul from the main seal. It nover water leakage

and makes the main seal life multiplied.