Fresh valve, better sips. The next-gen Osprey Bite Valve delivers great flow in a compact package — a smooth on/off valve that's easy to operate one-handed without breaking stride. Installs on any standard 0.25 in. | 6.35 mm hose for a quick, hassle-free upgrade or replacement. Overview Compact next-gen design with improved flow Smooth on/off valve for easy one-handed operation Compatible with any 0.25 in. | 6.35 mm hose Ultralight at 0.02 lbs. Specifications Weight: 0.02 lbs. Hose Compatibility: 0.25 in. | 6.35 mm Design Features Compact next-gen bite valve construction Smooth on/off valve mechanism One-handed operation Universal hose compatibility Care Instructions Rinse thoroughly with clean water after use. Allow to air dry completely before storing. Do not use bleach or harsh cleaning agents. A small upgrade that makes every sip cleaner, faster, and easier on the go.