Food Service Direct is now partnered with Advance Tabco, the industry leader in high quality stainless steel fabrication, to bring you the best selection of stainless, NSF-certified drainboard sinks available on the Internet! NSF International, formerly the National Sanitation Foundation, is an independent, non-profit organization that provides research and education in the fields of public hygiene. To create a product that meets the rigid standards to be granted NSF certification means that your product has been shown to be among the most sanitary and hygiene-conscious products available on the market. The rigorous standards of the NSF were the sole guiding principle utilized by Advance Tabco in crafting these fully hygienic sinks for your use.