... ,SMS,ISO, 3A, BPE, CMP,IDF 3) Material:Stainless steel 304, 316L4)Connection:welded,quick-installed,threaded5)polish:mirror polish,dull polish,sub-light,240G ... strainer,air cleaner)Stainless Steel Pipeline Filter (ISO9001:2000 APPROVED)Pipeline filter-DIN,SMS,BS,ISO,3A,BPE,CMPsanitation grade stainless steel pipeline filterStainless steel sanitary filter ...