Product Description 1. With 3-stage filtration, primary filter(80micron)+secondary filter(20micron)+fine filter(5 - 10micron); 2. No need oil filter paper and cause no contamination to the ground; 3. To be used for filtration of harmful impurities in oil; 4. The filter elements are made of stainless steel wire mesh, no need to replace, but needs to be cleaned by special cleanser sometimes (period for cleaning it based on your oil's dirty); 5. Small and flexible size which is easy to operate and installment; 6. It also applied to long distance and high lift oil filling and pumping. Application all kinds of oil with mechanical particles