The original Lifesaver Bottle with a capacity of 750 ml is a portable and easy-to-store ultrafiltration purifier that safely removes over 99.9% of bacteria, viruses, and cysts. Without the use of chemicals or electricity, it allows for the use of water sources in any outdoor activities such as hiking, camping, or cycling, to obtain clean drinking water from contaminated sources. The replaceable filter cartridge can safely filter up to 6,000 liters of water. The FailSafe technology prevents the passage of dirty water in case of filter membrane clogging. It has a lightweight of only 635 grams. It uses antimicrobial SteriTouch materials and is made from BPA- and BPS-free product materials and water flow components. An essential piece of equipment for self-sufficiency and continuous hydration in the most remote areas and in situations with uncertain water supply.