NSF/ANSI 44 : 2018現(xiàn)行
Residential Cation Exchange Water Softeners
出版：National Sanitation Foundation
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基本信息
標準編號： NSF/ANSI 44 : 2018
標準類別：Revision
出版單位：National Sanitation Foundation
標準頁數(shù)：0
標準簡介
The manual, auto-initiated, and demand-initiated regeneration (DIR) residential cation exchange water softeners addressed by this Standard are designed for the reduction of specific substances that may be present in drinking water (public or private) considered to be microbiologically safe and of known quality.
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