Osprey Hydraulics Bite Valve Cover

"Discover the perfect solution to protect the bite valve of your Hydraulics hydration bladder from dirt and dust. The Hydraulics Bite Valve Cover from Osprey ensures that your hydration system always remains hygienic, whether you are out and about in the city or working on the construction site. The well thought-out design guarantees easy handling and is ideal for urban use and working environments"
"Thanks to Osprey's modular system, you can customize your hydration system. With accessories such as magnetic kits, quick connectors and bypass valves, reservoirs can be easily swapped between different backpacks. Please note that the bypass valve is not included in the scope of delivery, but is available separately as a spare part and is supplied with the Hydraulics hydration bladders."