NSF Product and Service Listings

These NSF Official Listings are current as of Thursday, January 15, 2026 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

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NSF/ANSI 50
Equipment for Swimming Pools, Spas, Hot Tubs
and Other Recreational Water Facilities


 
Waterco USA, Inc. 
1812 Tobacco Road
Augusta, GA 30906 
United States 
706-793-7291
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Facility : Orwigsburg, PA

Filtration Media

Silicon Dioxide (SLDOX)[1] [2] [3]
ECO Pure Glass Media   

[1] Certified for 0.45 mm - 0.60 mm size media.
[2] This media is Certified for use in any sand filter that is Certified by NSF to NSF/ANSI
    Standard 50, unless otherwise indicated by the manufacturer.
[3] Certified for a maximum filtering flow rate of 5 gallons per minute.


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