5/8" inner

The Camco TastePURE 50-Foot Boat and RV Drinking Water Hose with 5/8-Inch ID is reinforced for maximum kink resistance. Made of PVC, this hose is lead-free, BPA-free, phthalate-free, NSF certified as drinking water safe, and delivers water with no plastic taste. The hose is UV-stabilized for a long life. It is CSA low lead content certified and is compliant with all federal and state level Low Lead Laws. Made in the USA.