General: The new Ultimate SOURCE WXP 3L is a true low-profile system and offers all the benefits of Source Hydration. The high-performance hydration reservoir is made from low-maintenance 3-layer coextruded polyethylene (glass-like liner). With integrated Grunge guard and taste-free technology. Guaranteed safe and tasteless drinking water It comes with an IRR Tube Cover, Dirt Shield Valve Cap, UTA Rapid Refill Adapter, and Magnetic Clip. Details: FDA approved materials: All materials that come into contact with the drinking water are FDA approved. Integrated refill handle for quick and easy refilling without spills Large NC sealing cap air-tight, flat, one-hand operated. Compatible with common personal filtration systems. The cap fits the FILBE hydration filling opening The magnetic clip holds the drinking valve in place UTA Rapid Refill Adapter U.S.M.C. - FILBE compatible drinking system (suitable for US Marine Corps FILBE transmission) Average filling time with UTA from a bottle: 1.5 l per minute. From a tap: 2.0L per Minute Helix valve: has a rounded shape that does not require mouth alignment for ease of use The retraction spring mechanism allows for a soft bite as with a one-piece bite valve with leak-proof capability, which does not drip even under pressure or prolongs the use Built-in Bio-Net start-up mechanism for no spillage during transportation The angle valve rotates 360 degrees for perfect valve / mouth alignment. Allows the tube to be 25cm shorter Dirt-Shield Protector: Keeps the valve free from dirt and protected during transport Specifications: Height: 36 cm / 14.2 inch Width: 25 cm / 9.8 inch Max depth (full): 8 cm / 3,1 inch Hose length: 94 cm / 3 ft Weight Drinking System (Widepac + Tube): 0,287 kg (199 g + 88 g) Weight UTA: 19 g Weight magnetic clip: 9 g The color specification refers to the tube, not to the drinking bubble!