The 2.5 Liter Hydration Bladder from Red Rock has a leak-free screw on cap, 42" rubber hose, and triple-safe bite guard. Two attachment points at the top of the bladder allow it to be secured easily in a pack. The bladder can also be attached with the hook on the leak-free cap.
Specifications and Features:
Leak-free screw on cap with attachment hook
Triple-safe bite guard
42" rubber hose
Two attachment points at top of bladder
Size: 7"W x 16"H x .5"D