ANSI Standards NSF ANSI 37-2017 pdf free download – Air curtains for entranceways in food and food service establishments NSF ANSI 37-2017 pdf free download - Air curtains for entranceways in food and food service establishments 1.2 Scope Equipment covered by this Standard includes, but is not limited to, air curtains for entranceways in food andfood... 02-20 Download Now