The NEW Grayl Replacement Cartridge Purifier is a convenient and efficient solution for outdoor enthusiasts who want clean and safe drinking water while on the go. The screw-on mount design makes it easy to attach to your water bottle, ensuring a secure fit for filtration. The orange color adds a vibrant touch to your outdoor gear, while the protozoa filter type provides peace of mind knowing you are protected from harmful microorganisms. Perfect for hiking and traveling, this water purification cartridge from Grayl is a must-have for anyone who values safe and clean water sources.