Designed to be more comfortable in vests and packs, the redesigned Velocity features a slim profile and soft grab tab for fast loading and unloading. It’s lightweight, with an extra wide opening for quick refills along the trail. Beyond Lifetime Guarantee BPA And PVC Free Grab Tab Lightweight Features GRAB TAB Light and flexible grab tab allows for quick loading in and out of packs and makes it easy to carry. ULTRA LIGHT Purposefully minimal with streamlined features, the Velocity is HydraPak's lightest weight reservoir. UNIVERSAL HANGER Designed to work with clips, hooks, and loops in a wide variety of vests and packs including Salomon, Nathan, Osprey and CamelBak. WIDE FILL OPENING Slide-Seal top opens extra wide, making it easier to fill and add ice. COMET™ BITE VALVE Lightweight valve self seals after each sip and can be opened and locked with one hand to prevent leaks when not in use. PLUG-N-PLAY™ CONNECT SYSTEM Easily disconnect the drink tube (an auto shut off valve prevents leaking) and remove the reservoir from your pack for convenient refilling. Specs 1.5L 2L Capacity 1.5 L / 50 fl oz 2 L / 70 fl oz Weight 117 g / 4.1 oz 121 g / 4.3 oz Dimensions 320 mm x 153 mm / 12.6 in x 6.0 in 343 mm x 170 mm / 13.5 in x 6.7 in Filtration 28mm Filter Kit Compatible 28mm Filter Kit Compatible Material TPU, ABS, POM, PP, EPDM, Silicone, 304SS, TPU Coated Nylon Fabric TPU, ABS, POM, PP, EPDM, Silicone, 304SS, TPU Coated Nylon Fabric