Nylobrade braid-reinforced PVC hose is certified by the National Sanitation Foundation (NSF) for Standards 51 and 61, making this hose safe for use in drinking water systems (NSF-61) and food equipment machinery (NSF-51). Nylobrade is manufactured from virgin PVC compound. All ingredients are non-toxic and conform to USP Class VI and FDA standards. The hose offers a mirror smooth interior for dependable fluid, air, and powder flow. Three wall thicknesses are stocked: thin for light duty applications, standard, and heavy for increased working pressure usage.