Amyhill 4 Pack Water Filter Cartridge Compatible with Katadyn Befree - 2L/min Open Flow 1000L Capacity 42mm Openings Wide-Mouth Bottle Filtration for Outdoor Hiking, Sports, Running & Cycling

Features: Instant Hydration for Active Movement: Designed for fast-paced activities, the open-flow structure allows direct drinking while walking, riding, or running. No squeezing or pumping required, helping users stay hydrated without interrupting momentum during demanding outdoor activities. Hygienic & Share-Ready Design: Features an integrated protective cap that shields the spout from dirt and contact. The sealed drinking surface supports safer sharing among teammates or family members, reducing exposure during group trips, races, or multi-day outings. Specifications: Material: Plastic Color: Whtie Size: 4.72 x 2.36 x 2.36 inches Package includes: 4 x Water Filter Cartridge Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.

• High-Speed Chemical-Free Filtration: Filters up to 1, 000 liters of untreated water at speeds up to 2L/min without chemicals. The open-flow design delivers instant hydration with no pumping, helping groups or active users refill bottles quickly during hikes, runs, or rides
• Simple, Tool-Free Cleaning: Maintains flow performance with a quick shake or rinse in clean water—no backflushing, disassembly, or accessories required. The protective cap keeps the spout hygienic, making it suitable for dusty trails and shared outdoor use
• Reliable Filtration: Effectively removes harmful contaminants, including 99.9999% of impurities, and 99.99% of microplastics ≥2.5 microns, ensuring safer drinking from streams, rivers, and uncertain tap sources
• Wide-Mouth & System Compatibility: Screws directly onto 42mm wide-mouth bottles and select soft flasks, compatible with Katadyn-style containers. Works well with bike hydration setups and mobile systems, allowing clean water access without stopping or transferring
• Lightweight Strength for Harsh Conditions Compact and pack-friendly while built to withstand impact, cold exposure, and demanding outdoor use. Designed for consistent performance across varied environments, from backcountry trails to remote campsites