Nsfs-140

Like LEED, NSF-140 has a scoring tier:

First, a critical clarification. When most people hear "NSF," they think of (Drinking water system components) or NSF/ANSI 51 (Food equipment materials). Those standards deal with extraction —making sure chemicals don’t leach from plastic into your water or food. nsfs-140

You will find drop-shippers on Amazon listing "NSF-140 certified hoses." They are lying. Always check the specific NSF standard number (e.g., NSF-51, NSF-61, NSF-140) before you buy. Like LEED, NSF-140 has a scoring tier: First,