... ,ISO,IDF,AS,BS,RJT,BPE Standard. Cleaning ball/Tank cleaner (ISO9001:2008,CE,TUV certified) Specification: 1"-2.5"Materials ... ,elbow,tee,cross,reducer,sight glass,manhole cover,cleaning ball,centrifugal pump,pipe holder etc... Advantage: Prompt quotation, competitive price, punctual ...