Safe drinking water anywhere: The 0.1 micron (0.0001 mm) hollow fiber filter filters out bacteria, protozoa, and microplastics. The activated carbon filter also reduces odors, chlorine, and sediment, improving the taste of the water – for refreshing, clean water wherever you are, ideal for camping, hiking, and outdoor adventures. Super lightweight, practical, and compact: At just 72 g and made of flexible material, the bottle fits in any pocket, backpack, or bag and can be rolled up to a minimal pack size when needed – ideal for minimalists and adventurers. The sturdy carrying handle allows for easy hanging on your backpack and comfortable carrying. Easy to clean: No backwashing or tools required – ready to use in seconds by shaking or swirling in the water, saving time and effort. The silicone mouthpiece can be removed for cleaning or replacement, and the robust flip-cap also securely seals the filter. Fast and versatile: With a high flow rate of up to 2 liters per minute, you can enjoy clean water immediately, without long waits. Perfect for spontaneous adventures, hot summer days, or quick water stops on the go, depending on the water quality, you can produce up to 1,000 liters of drinking water. Sustainable and safe: The Hydrapak SoftFlask made of TPU (thermoplastic polyurethane) is 100% PVC and BPA-free, durable, and environmentally friendly, with all elements replaceable – a durable and environmentally friendly water filter without chemicals or electricity, for the responsible outdoor enthusiast.