NSF Product and Service Listings

These NSF Official Listings are current as of Thursday, January 15, 2026 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

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White Book™ - Nonfood Compounds Listing Directory

NSF-Registered
Proprietary Substances and Nonfood Compounds

Walther Trowal GmbH & Co. KG Visit this company's website
  trowaclean BRS 20 170212 A1, A3  
  trowaclean BRS 20 (US) 170213 A1, A3  
  trowapol GTM 300 170214 N1  

Number of matching Manufacturers is 1
Number of matching Products is 3
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