Food Grade Recirculating Water Hash PumpAfter searching years for the best pump for water movement circulation in solventless labs, we finally found it in this pump! Food grade with a Stainless Steel Head going out to sanitary ports, this pump kicks out 17 gpm with ease. The oil less design and smooth internals make it a food grade alternative to so many pumps used on the market that start to smell like a dead fish after a few days due to trapped water inside an oil pump, growing mold