Everpure H-300: NSF certification check
Certified to: NSF/ANSI 42, NSF/ANSI 53, NSF/ANSI 401 (per NSF's public listing, checked 2026-10-17).
| Type | Carbon block under-sink filter |
|---|---|
| Replacement element(s) on NSF listing | H-300 |
| Rated service cycle (NSF listing) | 300 gallons |
| Rated flow (NSF listing) | .5 gpm |
| Replacement filter price | Not verified from the manufacturer's own store (data gap) |
| NSF listings | NSF/ANSI 42, NSF/ANSI 53, NSF/ANSI 401 |
Exactly what NSF lists
NSF/ANSI 42: Aesthetic effects: chlorine, taste and odor, particulates
Certified claims on NSF's listing: Chlorine Reduction, Nominal Particulate Reduction, Class I, Taste and Odor Reduction.
NSF/ANSI 53: Health effects: e.g. lead, cysts, VOCs, PFOA/PFOS
Certified claims on NSF's listing: Cyst Reduction, Lead Reduction, VOC Reduction.
NSF/ANSI 401: Emerging compounds / incidental contaminants
Certified claims on NSF's listing: Microplastics Reduction.
Contaminant pages featuring this model
Lead · Chlorine · VOCs · Cysts (Cryptosporidium, Giardia) · Microplastics
View Everpure H-300 on the manufacturer's site (plain link, not an affiliate link)
We have not tested this product. Certification means NSF verified specific claims under specific test conditions; it does not mean your water will be safe. Get your water tested and see the methodology.