With the advantages of being conpact in structure, simple in operation, convenient in maintenance and Iow in cost, this filter is a new type product thats absolutely necessary for industrial and mining enterprises, esp, the industry of power, to treat the oils used for electric equipment, such as transformer, mutual inductor and switch, etc. The equipment can quickly filtrate out trace moisture,air and mechanical admixtures from oil and make it reach the standard of new one without filter paper and consuming oil.This product can treat ageing oil and waste oil together with BJ Serial on-line operation, and also can filtrate oil with elelctric-ity under the safely of operation. Therefore, it is your ideal helper without doubt!