HyFLO Bite Valve: Replace your chewed-up, worn-out, and plain-old nasty bite valve with the Platypus Hyperflow Bite Valve. This hydration attachment offers clean, cool, and refreshing hydration with just a single bite, and effortlessly attaches to your Platypus hydration tube.

Material: silicone

Compatibility: all Platypus shutoff valves and 1/4-in tubing

Dimensions: .9 x .8 x 1.4in

Claimed Weight: 0.2oz

Recommended Use: hiking, mountain biking, running

Manufacturer Warranty: limited