Description: Filter Dimensions: Emergency water filter measures 13cmx3cm/5.12inchx1.18inch in size and is equipped with extension tube, easy to enjoy drinking emergency water everywhere you go.Compact Design: Physical filtration for outdoor drinking, removes visible solid sediments. Simple outdoor design, lightweight and small size, portable, and easy to store.Filter Purifier: Portable water filter can purify 4000L of water, silicone adapter can be used for products with a bottle mouth of 28-30mm, such as faucets, mineral water bottles, water bags, etc.Filtering Accuracy: Front sand head can filter mud, sand, particles, etc. in the water., NOTE: Filter water Do not collect salt water and chemically polluted water, or seawater.Multipurpose Use: The water filter for drinking water is easy to carry and use, and can be used when traveling, hiking, camping, engaging in outdoor work, for emergencies and so much more. Specification: Material: ABS Plastic Size Chart: 13cmx3cm/5.12inchx1.18inch Package Includes: 1 Portable Water Filter1 Extension Tube with Sand Head1 Storage Box