买这套衣服可以省50美元！Set包括NSF 60和NSF 61标准。NSF 60，《饮用水处理化学品-健康影响》是国家认可的饮用水处理化学品健康影响标准。NSF 61，饮用水系统组件-健康影响是国家认可的所有接触饮用水的设备、组件和材料的健康影响标准。

Save $50 when you buy this set!Set includes standards NSF 60 and NSF 61. NSF 60, Drinking Water Treatment Chemicals - Health Effects is the nationally recognized health effects standard for chemicals which are used to treat drinking water. NSF 61, Drinking Water System Components - Health Effects is the nationally recognized health effects standard for all devices, components and materials which contact drinking water.