Does it have a filter? Cole March 11, 2016 23:11 Follow No, our current version does not have a filter, but we have some cool ideas for the future. Related articles Is there a straw? Can I put the bottle in the freezer? How much does the bottle weigh? Can I put other liquids in my bottle? How to set up your new sensor stick. Comments 0 comments Please sign in to leave a comment.