Clean, great-tasting water, anywhere. Whether you are filling up at the trailhead, hydrating mid-ride, or moving between meetings, the Katadyn BeFree AC Bottle delivers fast-flowing, clean, and great-tasting water wherever you fill up. The 2-stage filtration system features the EZ-Clean Membrane(TM) hollow fiber filter, which removes bacteria, protozoa, and microplastics, while activated carbon improves taste for a refreshing sip every time. Together, they make hydration simple, efficient, and help cut down on single-use plastics. Features: Clean, Great-Tasting Water: The 2-stage filtration system features a hollow fiber filter that removes bacteria, protozoa, and microplastics, plus Activated Carbon to reduce chlorine and odors, improving taste-so every sip is clean and refreshing Fast Flow Rate: Enjoy a smooth, easy flow-without cheek-straining or waiting for water to trickle through.Up to 2 liters per minute for easy, on-the-go hydration whether you're at your desk, on your bike, or mid-run Effortless Cleaning: The EZ-Clean Membrane makes maintenance simple-just shake or swish in water to remove debris. No tools needed, no hassle Lightweight & Durable: Built to keep up-durable for everyday use, and light enough to go wherever the day takes you Expands Your Water Options: Fill up from taps, fountains, or natural sources-with peace of mind knowing the water you're drinking is clean