Flux+ 1.5l Filter KitAccess potable water anywhere. The Flux+ 1. 5L sets a new standard for lightweight, fast and versatile backcountry water filtration. The integrated filter removes bacteria and protozoa from approximately 1,500 liters of water at a rate of >1L per minute. Roll or squeeze your Flux to filter into other camp containers or to directly drink freshly filtered water on the go.