NSF Product and Service Listings

These NSF Official Listings are current as of Saturday, July 12, 2025 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

Alert: NSF is concerned about fraudulent downloading and manipulation of website text. Always confirm this information by clicking on the below link for the most accurate information: http://info.nsf.org/Certified/DWTU/Listings.asp?TradeName=GF%2DXWF&hdModlStd=ModlStd&

Note: Certain claims, such as Arsenic (Pentavalent) Reduction, appear as active links, allowing you to access additional information regarding the specific contaminants.

NSF/ANSI 42
Drinking Water Treatment Units - Aesthetic Effects

 
Ningbo Koze Purification Equipment Co., Ltd. 
No. 269, Kexin Road
Wangchun Industrial Park 
Haishu District, Zhejiang 
China 
323-347-4858

Facility : # 8 China

 
           

COMPONENTS: Filter Cartridges[1]
Glacier fresh GF-XWF[2]  
Glacier fresh GF-XWF-N[2]  

   
[1] Conforms to the material and structural integrity requirements.
[2] Tested at a flow rate of 0.528 gpm to a capacity of 200 gallons for the reduction of
    Chlorine.
[3] Tested at a flow rate of 0.66 gpm to a capacity of 300 gallons for the reduction of
    Chlorine.
[4] Conforms to the material safety only.


 
Ningbo Pureza Technology, LLC 
1 Shanshan Road
Wangchun Ind. Park, Yinzhou District 
Ningbo, Zhejiang 315100 
China 
86 186 5825 7598 
86 574 2885 5725
Visit this company's website

Facility : # 1 China

 
           

COMPONENTS: Filter Cartridges
GF-XWF[1] [2]  
GF-XWF[1] [2]  

   
[1] Conforms to the material and structural integrity requirements.
[2] Tested at a flow rate of 0.528 gpm to a capacity of 200 gallons for the reduction of
    Chlorine.
[3] Tested at a flow rate of 0.66 gpm to a capacity of 300 gallons for the reduction of
    Chlorine.
[4] Conforms to the material safety only.

Number of matching Manufacturers is 2
Number of matching Products is 4
Processing time was 0 seconds