The antidote 3l reservoir is the ultimate upgrade in your camelbak hydration pack a quick link system makes it easy to attachallowing you to carry 3 litres of liquid in your camelbak hydration pack the camelbak antidote 3l reservoir features a quick snap cap that tightens in just a quarter turn a low profile design with an air light fill portcolour swatchbluelaptop compatiblenbrandcamelbakcapacity litres3colourblue