NSF Product and Service Listings

These NSF Official Listings are current as of Sunday, September 13, 2026 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=RWF3300A&

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

 
Aquazon Solutions Inc. 
9720 Coit Road
Suite 220 307 
Plano, TX 75025 
United States 
1 4697400561
Visit this company's website

Facility : Tianjin, China

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

Plumbed-In
PP-RWFS3300AH PP-RWF3300AH 300 .5   Nominal Particulate Reduction, Class I

Refrigerator Filter[1] [Pb]
PP-RWF3300A-S PP-RWF3300A 300 .5   Chlorine Reduction
Taste and Odor Reduction

   
[1] Products comply with the material safety and structural integrity requirements of
    NSF/ANSI Standard 42.
[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.


 
TOP PURE (USA), Inc. 
3717 San Gabriel River Parkway
Pico Rivera, CA 90660 
United States 
1 6262389070
Visit this company's website

Facility : Tianjin, China

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

Refrigerator Filter[1] [Pb]
RWF3300A-S RWF3300A 300 .5   Chlorine Reduction
Taste and Odor Reduction
RWFS3300AH RWF3300AH 300 .5   Nominal Particulate Reduction, Class I

   
[1] Products comply with the material safety and structural integrity requirements of
    NSF/ANSI Standard 42.
[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.


 
Tozone National Inc. 
9720 Coit Road
Suite 220, #307 
Plano, TX 75025 
United States 
1 469 740 0568
Visit this company's website

Facility : Tianjin, China

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

Plumbed-In
RWFS3300AH RWF3300AH 300 .5   Nominal Particulate Reduction, Class I

Refrigerator Filter[1] [Pb]
RWF3300A-S RWF3300A 300 .5   Chlorine Reduction
Taste and Odor Reduction

   
[1] Products comply with the material safety and structural integrity requirements of
    NSF/ANSI Standard 42.
[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.


YUNDA H&H TECH (Tianjin) Co., Ltd. 
No.29, Jinhai Road
Jinghai, Tianjin 301600 
China 
Visit this company's website

Facility : Tianjin, China

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

Refrigerator Filter[2]
RWF3300AB-S[G] RWF3300AB 300 .5   Chlorine Reduction
Taste and Odor Reduction
RWFS3300ABH RWF3300ABH 300 .5   Nominal Particulate Reduction, Class I

   
[2] Products comply with the material safety and structural integrity requirements of
    NSF/ANSI Standard 42.
[G] Product is Certified to NSF/ANSI/CAN 372 and conforms with the 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.

NSF/ANSI 53
Drinking Water Treatment Units - Health Effects


 
Aquazon Solutions Inc. 
9720 Coit Road
Suite 220 307 
Plano, TX 75025 
United States 
1 4697400561
Visit this company's website

Facility : Tianjin, China

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

Plumbed-In
PP-RWFS3300AH PP-RWF3300AH 300 .5   Cyst Reduction
Lead Reduction
Mercury Reduction


 
TOP PURE (USA), Inc. 
3717 San Gabriel River Parkway
Pico Rivera, CA 90660 
United States 
1 6262389070
Visit this company's website

Facility : Tianjin, China

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

Refrigerator Filter
RWFS3300AH RWF3300AH 300(1) .5   Cyst Reduction
Lead Reduction
Mercury Reduction

   
(1) Claims of capacity or rated service cycle are not applicable for mechanical filtration.


YUNDA H&H TECH (Tianjin) Co., Ltd. 
No.29, Jinhai Road
Jinghai, Tianjin 301600 
China 
Visit this company's website

Facility : Tianjin, China

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

Refrigerator Filter[1]
RWFS3300ABH RWF3300ABH 300 .5   Cyst Reduction
Lead Reduction
Mercury Reduction

   
[1] Claims of capacity or rated service cycle are not applicable for mechanical filtration.
[G] Product is Certified to NSF/ANSI/CAN 372 and conforms with the 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.

Number of matching Manufacturers is 7
Number of matching Products is 11
Processing time was 0 seconds