NSF

What is the National Sanitation Foundation mark, and why does it matter?

https://www.nsf.org/consumer-resources/what-is-nsf-certification

Our food service products are manufactured and designed with high sanitary standards and most are listed by NSF International. For specifc items, please refer to the latest NSF food service listing.

Look for the following mark on any product page to confirm it has met the requirements:

This mark is your assurance that the product has been tested by one of the most respected independent certification companies in existence today — NSF International. It has been certified to meet their high standards of public health, safety and environmental quality.