The camelbak groove tritan insulated bottle gives you freshly filtered water wherever you go the plant based filter that is built in to the straw removes chlorine taste and odour as you sip this camelbak bottle also features double walled insulation that will keep your water cool and helps to cut down on condensation camelbak groove tritan insulated bottle features turns tap water into freshly filtered water sustainable plant based filter lasts about 3 months or 48 gal