... .Installed in the pressure, suck or return pipeline of hydraulic system to filter solid particleThreaded :NPT , BSPT, BSPP, DIN2999, ISO ... water,gas,oil,and other corrosive liquid Feature1,High quality 2,Competitive price 3,Investment casting 4,Easy installation and ... and air filter applied in refrigeration and coal mine equipment.With 95% capacity of self production. 2 inch threaded Y-strainer ...