NSF Product and Service Listings
These NSF Official Listings are current as of Friday, March 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?CompanyName=chungho&
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
Drinking Water Treatment Units - Aesthetic Effects
| Chungho Nais Co., Ltd. | |
| 486, Jingwang-ro, Iwol-myeon | |
| Chungcheongbuk-Do 21817 | |
| Republic of Korea | |
| 82 43 531 7084 |
Facility : Chungcheongbuk-Do, Korea, Republic of
|
COMPONENTS: Carbon Block [1] [Pb] |
||||||
| Chungho Post Carbonblock AT[2] | ||||||
| Chungho Post Carbonblock AT 12[2] | ||||||
| Chungho Post Carbonblock ATCR[3] | ||||||
| Chungho Post Carbonblock T[2] | ||||||
| Chungho Post Carbonblock TCR[3] | ||||||
| Chungho Post Carbonblock TCR 12[2] | ||||||
| Chungho Post Carbonblock TCR 9[2] | ||||||
[1] Conforms to material requirements only.
[2] Tested in a system at a flow rate of 0.5 GPM to a capacity of 300 gallons for the
reduction of Chlorine, Particulate Class I, and Taste and Odor per NSF/ANSI 42.
Asbestos, Atrazine, Benzene, Carbofuran, 2,4D, Chlorobenzene, Cyst, Endrin,
Ethylbenzene, Lindane, Lead, Mercury, O-Dichlorobenzene, P-Dichlorobenzene,
Tetrachloroethylene, Toxaphene, and Turbidity per NSF/ANSI 53. Atenolol, Bisphenol A,
Carbamazepine, DEET, Estrone, Ibuprofen, Linuron, Meprobamate, Metalachlor,
Microplastics, Naproxen, Nonyl Phenol, Phenytoin, TCEP, TCPP, and Trimethoprim per
NSF/ANSI 401.
[3] Tested in a system at a flow rate of 0.4 GPM to a capacity of 300 gallons for the
reduction of Chlorine, Particulate Class I, and Taste and Odor per NSF/ANSI 42.
Asbestos, Atrazine, Benzene, Carbofuran, 2,4D, Chlorobenzene, Cyst, Endrin,
Ethylbenzene, Lindane, Lead, Mercury, O-Dichlorobenzene, P-Dichlorobenzene,
Tetrachloroethylene, Toxaphene, and Turbidity per NSF/ANSI 53. Atenolol, Bisphenol A,
Carbamazepine, DEET, Estrone, Ibuprofen, Linuron, Meprobamate, Metalachlor,
Microplastics, Naproxen, Nonyl Phenol, Phenytoin, TCEP, TCPP, and Trimethoprim per
NSF/ANSI 401.
[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.
|
||||||
| Foshan Midea Chungho Water Purification Equipment Co., Ltd. | |
| No. 68 Guangle Road, Beijiao, Shunde | |
| Foshan, Guangdong | |
| 528311 | |
| China | |
| 86 134 5058 6360 | |
| Visit this company's website |
Facility : Foshan, China
|
COMPONENTS: Filter Cartridges[2] |
||||||
| MF-2710-F1 Active Carbon FILTER[Pb] | ||||||
| MF-2710-F1 Carbon Block FILTER[Pb] | ||||||
| MF-3012-C1D1 PCB FILTER | ||||||
| MIDEA CB FILTER[Pb] | ||||||
| OS1 SYSTEM-F1 PP | ||||||
| OS2 SYSTEM-F1 PP | ||||||
| OS3 SYSTEM-F1 PP | ||||||
| OS3 Active Carbon FILTER[Pb] | ||||||
| OS3 FOLD PP FILTER[Pb] | ||||||
[2] Conforms to material and structural integrity requirements only.
[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.
|
||||||
|
Plumbed-In [Pb] |
||||||
| OS1 System | OS1 Filter-F1 | 1500(1) | .5 | Chlorine Reduction Taste and Odor Reduction Nominal Particulate Reduction, Class I |
||
| OS2 System | OS2 Filter-F1 | 1500(1) | .5 | Chlorine Reduction Taste and Odor Reduction Nominal Particulate Reduction, Class I |
||
| OS3 SYSTEM | OS3 FILTER-F1 | 1500(1) | .5 | Chlorine Reduction Taste and Odor Reduction Nominal Particulate Reduction, Class I |
||
(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.
|
||||||
NSF/ANSI 53
Drinking Water Treatment Units - Health Effects
Drinking Water Treatment Units - Health Effects
| Foshan Midea Chungho Water Purification Equipment Co., Ltd. | |
| No. 68 Guangle Road, Beijiao, Shunde | |
| Foshan, Guangdong | |
| 528311 | |
| China | |
| 86 134 5058 6360 | |
| Visit this company's website |
Facility : Foshan, China
| Replacement | Service Cycle | Flow Rate | ||||
| Brand Name / Trade Name / Model | Element | (gallons) | (gpm) | Claim | ||
|
Plumbed-In [Pb] |
||||||
| OS1 System | OS1 Filter-F1 | 1500(1) | .5 | Cyst Reduction Lead Reduction |
||
| OS2 System | OS2 Filter-F1 | 1500(1) | .5 | Cyst Reduction Lead Reduction |
||
| OS3 SYSTEM | OS3 FILTER-F1 | 1500(1) | .5 | Cyst Reduction Lead 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.
|
||||||
NSF/ANSI 58
Reverse Osmosis Drinking Water Treatment Systems
Reverse Osmosis Drinking Water Treatment Systems
| Foshan Midea Chungho Water Purification Equipment Co., Ltd. | |
| No. 68 Guangle Road, Beijiao, Shunde | |
| Foshan, Guangdong | |
| 528311 | |
| China | |
| 86 134 5058 6360 | |
| Visit this company's website |
Facility : Foshan, China
| Replacement | Daily Production | |||||
| Brand Name / Trade Name / Model | Module | Rate (gpd) | Claim | |||
|
Plumbed-In to Separate Tap[Pb] |
||||||
| MRO1785-800G | MF-3012-C1D1 MF-4111-M4D4 |
800 | TDS Reduction | |||
[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.
|
||||||
|
COMPONENTS: Membrane Elements[1] |
||||||
| MF-2710-F1 RO FILTER[Pb] | ||||||
| MF-2713-BT1 RO FILTER | ||||||
| MF-3710-F1D2 RO FILTER | ||||||
| MF-3711-E2D2 RO FILTER | ||||||
| MF-3712-E2D2 RO FILTER | ||||||
| MF-4111-M4D4 RO FILTER | ||||||
| MF-4312-E8D5 RO FILTER | ||||||
| OS3 RO FILTER[Pb] | ||||||
[1] Conforms to material and structural integrity requirements only.
[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.
|
||||||
Facility : Foshan, China
| Replacement | Daily Production | |||||
| Brand Name / Trade Name / Model | Module | Rate (gpd) | Claim | |||
|
Plumbed-In to Separate Tap[Pb] |
||||||
| MRO1785-800G | MF-3012-C1D1 MF-4111-M4D4 |
800 | TDS Reduction | |||
[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.
|
||||||
Number of matching Manufacturers is 4
Number of matching Products is 32
Processing time was 0 seconds
