C915脫氯劑(Dechlorination agent)

C916 RO系統還原劑(RO system reducing agent)

C918 RO系統酸性清洗劑(RO system acid cleaner)

C919 RO系統鹼性清洗劑(RO system alkaline cleaning agent)

C921RO系統抑垢劑(RO system scale inhibitor)

C931RO系統抑菌劑(RO system antibacterial agent)