... unit is completely closed type, can remove large quantity impurity from oil Big capacity oil filter device is completely closed ... treating unqualified turbine oil, engine oil, lube oil. It can separate pigment, particles, wax, colloid, free carbon etc. effectively ... -5JYWL-10JYWL-15JYWL20JYWL-30Flow ratem3/h510152030Liftm5881015CleannessNAS76666WeightKG95105120130140 Big capacity oil filter system