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gigatronics t1_j9s9s5c wrote

Pro One has counter and undercounter options that meet NSF53 and better. https://prooneusa.com

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wgfreewill t1_j9u2jk2 wrote

Pro One do have some NSF tested/rated products, but no NSF 53 like OP requested.

https://info.nsf.org/Certified/DWTU/

You can drop the Product Standard down to NSF 53 and search. If the filter isn't in this database, it's not 3rd party tested and I wouldn't believe their claims.

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Mstormer OP t1_j9u3yet wrote

Yeah, they claim independent testing, but also a filter that lasts 2600 gallons. Unlikely.

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Mstormer OP t1_j9u1mxq wrote

They actually look pretty impressive. Any idea if their cartridge can fit other similar-looking filter housings like the first 3 links in my main post? I'd love to use a transparent housing.

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