The next generation of reservoir is here. Redesigned from tip to tail, the 1.5-liter Hydraulics LT reservoir features innovative and ergonomic improvements that make it easier to carry, fill, load up and use-whether you're buzzing around town, travelling or hitting the trails. Designed specifically for lumbar packs for off-the-back hydration. FEATURES: Compact bite valve provides excellent water flow Thumb-operated on/off lever is easier than ever to operate with one hand Compact Slide-Seal™ opening aids one-handed filling, removes bulkiness, slides into packs easier and seals securely Seamlessly integrates with new HydraClip reservoir hanger in packs for secure carry Exceptionally secure hose magnet system Dual baffles flatten the profile and improve control when filling, pouring and carrying the reservoir