NSF Product and Service Listings

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NSF Protocol P473
Drinking Water Treatment Units - PFOA & PFOS



A.O. Smith Corporation 
11270 West Park Place
Milwaukee, WI 53224 
United States 
800-527-1953 

Facility : Haltom City, TX

  Replacement Service Cycle Flow Rate  
Brand Name / Trade Name / Model Element (gallons) (gpm)   Claim

Refrigerator Filter [Pb]
AO-FF AO-US-100-R 200 .5(1)   PFOA Reduction
PFOS Reduction

   
(1) Claims of capacity or rated service cycle are not applicable for mechanical filtration.
[Pb] Product also evaluated and determined to possess weighted average lead content of
     <=0.25% and complies with lead content requirements for “lead free” plumbing as defined
     by California, Vermont, Maryland, and Louisiana state laws and the U.S. Safe Drinking
     Water Act.


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