SF-7C Shower Filter System with Adjustable Handheld Shower Wand | IAPMO Platinum Certified to NSF/ANSI 177 for 96.6% Chlorine Reduction – 2.5 GPM, 10K Gallon Capacity - Healthier Hair & Skin

Certifier record checked 25 Oct 2026 · source

“IAPMO R&T Product Listing Directory (pld.iapmo.org, searched by standard "177"), read in a browser 2026-10-25. File W-13862, listee WATER SAFETY CORPORATION (Reno, NV), product "Shower Filtration Systems-Aesthetic Effects", NSF/ANSI 177-2023: brand WaterChef, models SF-7C (2.5 GPM) and SF-7C-ECO (1.75 GPM), replacement component RCSF-7, capacity 10,000 gallons, reduction claim "Free Available Chlorine". The register prints no percentage. The Amazon title (Creators API, 2026-10-25) says "IAPMO Platinum Certified to NSF/ANSI 177 for 96.6% Chlorine Reduction"; the 96.6% figure is the listing's, not the register's, and we did not read WaterChef's own test report. NSF's own register could not be searched (its server refused connections from our network on 2026-10-25). The Amazon page itself was not read.”