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/PwsComponents/Listings.asp?Company=C0864229&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.


 
Shenzhen RYNN Filtration Technology Co., Ltd. 
13th Flr, Tairan Cangsong Bldg, No. 25
Tairan 7th Rd, Tianan Community, Shatou St 
South Building 1318A22, Futian District 
Guangdong,  
China 
86 182 5198 5915


Facility : # 1 China

Mechanical Devices

    Water Water
    Contact Contact
Trade Designation Size Temp Material

Reverse Osmosis Element
BW25-2521[1] [2] 2.5" x 21" CLD 23 MLTPL
ULE80-440[3] [4] 8" x 40" CLD 23 MLTPL
BW40-4021[1] [2] 4" x 21" CLD 23 MLTPL
BW40-4040[3] [4] 4" x 40" CLD 23 MLTPL
BW40-4040-34[3] [4] 4" x 40" CLD 23 MLTPL
BW80-400[3] [4] 8" x 40" CLD 23 MLTPL
BW80-400-34[3] [4] 8" x 40" CLD 23 MLTPL
BW80-400-34 PRO[3] [4] 8" x 40" CLD 23 MLTPL
ELE40-4040[3] [4] 4" x 40" CLD 23 MLTPL
ELE80-400[3] [4] 8" x 40" CLD 23 MLTPL
SW40-4040 PRO[3] [4] 4" x 40" CLD 23 MLTPL
SW80-400 PRO[3] [4] 8" x 40" CLD 23 MLTPL
SW80-440 PRO[3] [4] 8" x 40" CLD 23 MLTPL
ULE40-4040[3] [4] 4" x 40" CLD 23 MLTPL
ULE80-400[3] [4] 8" x 40" CLD 23 MLTPL
ULE80-400 PRO[3] [4] 8" x 40" CLD 23 MLTPL
BW25-2540[1] [2] 2.5" x 40" CLD 23 MLTPL

[1] Models BW40-4021 is certified for a minimum daily flow of 800 gallons	
    Models BW25-2521 is certified for a minimum daily flow of 320 gallons.	
    Models BW25-2540 is certified for a minimum daily flow of 640 gallons.
[2] Product requires flushing with deionized water at 2.628 liters per minute for 1 hour
    prior to use.
[3] Trade names BW40-4040-34, BW40-4040, ULE40-4040, ELE40-4040 and SW40-4040 PRO	require a
    pre-service flush at 2.628 liters per minute (LPM) for two (2) hours using deionized
    water.		
    Trade names BW80-400-34,BW80-400-34 PRO, ULE80-400 PRO, BW80-400, ULE80-400,  ELE80-400,
    ULE80-440, SW80-400 PRO and SW80-440 PRO require a pre-service flush at 12 liters per
    minute (LPM) for two (2) hours using deionized water.
[4] Trade names BW40-4040-34, BW40-4040, ULE40-4040, ELE40-4040 and SW40-4040 PRO are
    certified for use exclusively in public water treatment facilities for a minimum daily
    permeate generation of 2,000 gallons.		
    Trade name SW80-400 PRO is certified for use exclusively in public water
    treatment	facilities for a minimum daily permeate generation of 5,000 gallons.		
    Trade name SW80-440 PRO is certified for use exclusively in public water
    treatment	facilities for a minimum daily permeate generation of 6,000 gallons.		
    Trade names BW80-400-34,BW80-400-34 PRO, ULE80-400 PRO, BW80-400, ULE80-400, ELE80-400, 
    ULE80-440		
    are certified for use exclusively in public water treatment facilities for a minimum
    daily permeate generation of 9,000 gallons.


Number of matching Manufacturers is 1
Number of matching Products is 17
Processing time was 0 seconds