?Large Capacity: With a capacity increased to 1 liter, it's more suitable for long hikes, day hikes, or high-flow hydration needs than the 0.5L model. ?High-Efficiency Filtration: Filters up to 2 liters of water per minute, providing quick access to clean drinking water. ?Dual-Layer Filter Technology: Combining a hollow fiber membrane filter with an activated carbon filter, it filters down to 0.1 microns, effectively removing bacteria, protozoa, and plastic particles, improving water quality and reducing odor and residual chlorine, ensuring the cleanest water. ?Easy Cleaning: Utilizing EZ-Clean Membrane? technology, simply shake the filter in the water when the flow rate decreases, even with dirty water. No backflushing or tools are required. ?Sturdy Design: Equipped with a durable flip-top lid and integrated handle, the sturdy lid prevents leaks while carrying, and the handle makes it easy to attach to a backpack or hold by hand for convenient access.?TPU Soft Flask: Utilizing Hydrapak® SoftFlask?, this soft hydration bladder is ultra-lightweight, foldable, and conveniently stored. It's 100% PVC- and BPA-free, making it safe and non-toxic. ?Modular Construction: Featuring a 42mm threaded universal connector, the mouthpiece, flap, and filter are all interchangeable. ?Suitable for all outdoor activities, such as hiking, fishing, boating, running, and mountain biking. It's also perfect for urban travel and international trips, eliminating the need for expensive bottled water. ?Contents: 1 filter cartridge and 1 soft hydration bladder.