Certification Standards for Water Treatment Systems ANSI NSF ... NSF/ANSI Standard 42: Aesthetic Effects. Units are evaluated for .... NSF/ANSI Standard 177: Shower Filter Systems.
家電綜合- 關於淨水器NSF42 與53認證的問題- 居家討論區- Mobile01 NSF/ANSI Standard 177: Shower Filtration Systems - Aesthetic Effects NSF / ANSI標準177:淋浴過濾 ...