NSF Product and Service Listings

These NSF Official Listings are current as of Friday, December 26, 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=C0066702&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.

 
Graver Technologies LLC 
200 Lake Drive
Glasgow, DE 19702 
United States 
800-249-1990 
302-731-1700
Visit this company's website


Facility : Glasgow, DE

Mechanical Devices

    Water Water
    Contact Contact
Trade Designation Size Temp Material

Microfiltration Devices
Crystal MBF Series Melt Blown Filter Cartridges [A]-[B][C][1] [4] CLD 23 MLTPL
HF RF [A]-[B][C][D][2] [3] D. HOT MLTPL
HVV Series Melt Blown Filter Cartridges [A]-[B][C][1] [4] CLD 23 MLTPL
High Flow Filter Cartridges HF [A]-[B][C][5] [6] CLD 23 MLTPL
MBC™ Melt Blown Filter Series MBC [A]-[B][C][1] [4] CLD 23 MLTPL
Stratum™ Series Melt Blown Filter Cartridges ST [A]-[B][C]-R31[1] [4] CLD 23 MLTPL
Stratum™ A Series Melt Blown Filter Cartridges STA [A]-[B][C][1] [4] CLD 23 MLTPL
Stratum™ C Series Melt Blown Filter Cartridges STC [A]-[B][C][1] [4] CLD 23 MLTPL 

[1] A - Retention rating (0.5 - 75 microns) 
    B - Length (5" - 40") 
    C - End configuration 
        P6: Self-seal spring on one end 
        PX: Extended core 
        NN: No end caps, no gaskets
[2] HF RF [A]-[B][C][D]
    HF RF - Reverse Flow High Flow Series
    A     - Retention Rating (1-100 microns)
    B     - Length (40'' or 60")
    C     - End Configuration (P2 or P30)
    D     - Gasket or O-Ring
    E     - EPDM
    S     - Silicone
[3] Certified for a minimum daily flow of 270,000 L.
[4] Models 20" and smaller are evaluated to point-of-entry use.
    Models larger than 20" are certified for a minimum daily flow rate of 2880 gallons.
[5] HF[A]-[B][C]
    HF - High Flow Series
    A  - Retention Rating (1 - 100 microns)
    B  - Length (20" - 60")
    C  - Gasket or O-Ring
         E  - EPDM
         S  - Silicon
[6] Certified for a minimum daily flow of 270,000 L.

Number of matching Manufacturers is 1
Number of matching Products is 8
Processing time was 0 seconds