【Effective Sterilization】This water bottle effectively eliminates 99.9999% of harmful bacteria and parasites, including E. coli, cholera, anthrax, giardia, cryptosporidium, and blue-green algae. 【Heavy Metal Removal】Efficiently removes soluble heavy metals such as chromium, cadmium, and arsenic, ensuring safe and contaminant-free water. 【Chlorine Reduction】Removes residual chlorine, improving taste and preventing organic compound degradation for more delicious and healthier water. 【Organic Sediment Filtration】Filters out organic sediments, providing clear and pure water for a clean and visually appealing drinking experience. 【Water Softening】Softens water effectively, preventing scale buildup and inhibiting microbial growth for healthier and safer water supply. 【Versatile Use】Ideal for outdoor adventures (hiking, camping, backpacking, fishing, wilderness exploration), global travel, and survival situations. Specifications: Bottle material: Tritan, BPA-free Filter material: ultrafiltration membrane, activated carbon, nano-silver antibacterial particles Size: 80mm diameter * 235mm height Capacity: 650ml