Its becoming more common that health departments across United States are requiring items to be NSF certified. By purchasing an NSF, you are guaranteeing that you restaurant will pass health department inspections. NSF is a global, independent organization dedicated to protecting and improving human health. Our standards team facilitates development of public health standards, and our service teams test, audit and certify products and services. Without this mark you may run into compliance issues preventing you from opening or shutting you down after being opened.