1. oprating principle: Hydraulic pressure oil return filter element install oil-put of oil pump in common. use to protect oil pump avoid to suction major mechanical admixture. filtering prill what component abrade created in hydraulic pressure and sealing element rubber impurity etc pollutant , make oil what reflow to tank keep clean .
2. characteristics: structure strict reasonable , big ability pass oil , small reset pressure loss , big quantity accept dirt .etc.

3. Structure: end and bottom caps ,material : aluminum , stainless steel

   inner tube, material: galvanized sheet , stainless steel tube

   filter medium, material :stainless steel mesh and filter paper

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