NSF Product and Service Listings

These NSF Official Listings are current as of Wednesday, November 5, 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/PwsComponents/Listings.asp?Company=C0055148&Standard=061&


NSF/ANSI/CAN 61
Drinking Water System Components - Health Effects

NOTE: Unless otherwise indicated for Materials, Certification is only for the Water Contact Material shown in the Listing. Click here for a list of Abbreviations used in these Listings. Click here for the definitions of Water Contact Temperatures denoted in these Listings. Products certified to NSF/ANSI/CAN 61 comply with the health effects criteria in NSF/ANSI/CAN 600.

 
D.I. Enviro Corporation 
105, Mireuk-ro, Daedeok-myeon
Anseong City, Gyeonggi-Do 456-832 
Republic of Korea 
82 2 3441 9300
Visit this company's website


Facility : Gyeonggi-Do, Korea

Mechanical Devices

    Water Water
    Contact Contact
Trade Designation Size Temp Material

Filter Underdrain [G]
Hydro Underdrain Block [1] CLD 23 MLTPL 

[1] Maximum surface area: 8.0 sq. ft. per sq. ft. filter area.
    Minimum flow: 2 gallons/minute per sq. ft. filter area.
[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 1
Number of matching Products is 1
Processing time was 0 seconds