The Antidote is a premium performance system connecting you to the hydration you need. Seamlessly integrated into their specialized packs, with quick connect enhancements and unparalleled stability, the Antidote is light, low-profile and perfectly equipped for any dose of adventure.Available in three different sizes, this is the largest one of the range with a 3 litre capacity.Features:*Air-Light fill port, the widest on the market, making it easier to hold*Quick-Snap cap, only 1/5 turn from closed to open requiring very little effort*Low profile fit with internal baffle (2 and 3 litre only)*RF welded trilaminate polyurethane reservoir film for incredible strength and burst resistance*Hydroguard anti microbial protection*Kink resistant Pureflow tubing with a taste free, Hydroguard protected liner*Quick link system; more than just a quick disconnect, Quick Link allows multiple innovations to click into place*Integrated dryer arms