... : Effectively remove chemical ion, bacteria, virion, fungus, 8.0 inch RO housing for industrySide port &Retaining Ring closure Max. Working pressure ... : RubberModel: fit for 8040 ,from 1-6 element8.0 inch RO housing for sanitary Side port &Retaining Ring closure Max. Working ... Model: fit for 8040 ,from 1-6 elementvv stainless steel ro housing