NSF 37-2012

Air curtains for entranceways in food and food service establishments
standard by NSF International, 08/08/2012

NSF 46-2002

Evaluation of components and devices used in wastewater treatment systems
standard by NSF International,

NSF 60-2009a

Drinking Water Treatment Chemicals – Health Effects
standard by NSF International, 12/11/2009

NSF 14-2013

Plastics Piping System Components and Related Materials
standard by NSF International, 01/27/2014

NSF 8-2000e

Commercial Powered Food Preparation Equipment
standard by NSF International, 09/15/2000