Hydrostatic™ Backerplate - Hydrostatic™ backerplate provides structure to shove a full reservoir into a fully loaded pack and maintains a flat profile.Slide-Seal™ - Easy Slide-Seal™ top opening, seals watertight and provides wide access for easy filling and cleaningPour Shield - Pour shield extends the collar to ease filling in shallower sinks and control pouring into pots or bottlesCarry Handle - Carry handle allows easy reservoir management and fillingMagnetic Bite Valve - Magnet clip attaches to the reservoir hose and pairs with the included sternum strap magnet for easy water access and hose managementHydrapak® Blaster™ - Hydrapak® Blaster™ bite valve offers fast, smooth water flow with a ¼ twist on/off switchQuickConnect™ System - The QuickConnect™ system allows easy removal/filling of the reservoir and filtering in the