Osprey Bite Valve Sheath x3 Outdoor Research this one might just fit

this one might just fit the bill

the Helix 2 Floor Saver footprint helps extend the life of your tent by protecting it from wear and tear from rough ground

It discreetly secures your personal items and hydration flasks

and all weathers

Osprey’s Hydraulics® Reservoir Cleaning Kit is the only answer

Osprey Bite Valve Sheath x3 Outdoor Research this one might just fit"Quench your thirst for satisfaction with the Osprey Bite Valve Sheath! This valve sheath will protect your bite valve from dirt and unwanted debris. Slip the sheath over the valve and feel the difference it makes no clogs or hissing just smooth, clean hydration! Think of it as a shield for your hydration needs!"