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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NSF-Registered Proprietary Substances and Nonfood Compounds |
| Douglas Production Technologies, LLC | Visit this company's website | |||
| CALEFFI SOLAR HD | 144912 | HT1, HT2 | ||
| Dipotassium Phosphate 50% | 171064 | HT1, HT2 | ||
| HTF PRO Heat Transfer Fluid | 170788 | HT1, HT2 | ||
| Number of matching Manufacturers is 1 |
| Number of matching Products is 3 |
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