Environmentally friendly and reusable, it can filter up to 2000 liters of water and produces no harmful substances or odors. Our portable water filter guarantees your consumer safety. Excellent water filtration system: Our water filter bottle uses composite filter technology, which has a powerful water purification function. Food-grade PP cotton, silver ion decomposition media, and coconut shell activated carbon fiber can reduce odors and remove impurities such as heavy metals, silt, and soil. The filter bottle is very easy to use and requires no installation time, pumps, hoses, straws, batteries, chemicals, or long waiting times. It can easily purify water from any faucet, hotel sink, muddy river, lake, or fountain. Wide range of applications: Filtered drinking water bottles for outdoor use can purify all water from rivers, streams, lakes, and ponds. Allow travelers and explorers to have clean water sources for drinking outdoors, perfect for emergencies, hiking, or travel.