Puribag Micro Membrane Filter: Ultimate Compact Water Filtration The Puribag Micro membrane filter is the perfect lightweight and portable water filtration solution for any adventure, designed to be part of the Puribag Adventure range. This compact filter is small enough to fit in the palm of your hand or slip into your pocket, weighing just around 2 ounces, making it ideal for anyone who needs reliable water treatment on the go, without the bulk. Key Features: * Compact & Lightweight: Weighs only around 2 ounces, making it easy to carry without adding unnecessary bulk to your gear. * Advanced Filtration: The hollow-fiber membrane filter effectively removes up to 99.