Camelbak 70 oz Antidote Reservoir - Upgrade or replace your 100 oz (3L) reservoir with the Antidote(TM) Reservoir -- the ultimate cure for dehydration. Capacity: 70 oz (2 L) The new Antidote(TM) Reservoir with Quick Link(TM) System-- the ultimate cure for dehydration. Antidote features: - Quick-snap cap that tightens in just a quarter turn - Low-profile fit for unmatched stability - Air-light fillport cuts weight - CamelBak(R) Got Your Bak Guarantee(TM). If we built it, we'll Bak it(TM) with our lifetime guarantee NOTE: Antidote reservoir spec varies in packs, as some do not include the Quick Link System. Please check the specific pack's reservoir details for Quick Link spec. All Antidote reservoirs sold as a separate accessory include the Quick Link System.