Bottle Cap with Filter. This bottle cap is attached with a premium, replaceable carbon filter that improves the taste of tap water by reducing chlorine, odor and particulates. The cap features a sip-through spout and protective flip-up cover. Fits onto S'well 500ml (17oz) and 260ml (9oz) bottles. One filter has a life span of 3 months = 40 gallons of water. Replacement filters sold separately.
