Features: 100% Brand New and High Quality Made of highly compressed ceramic with diatomic properties; Resistant to extremely high temperatures The ceramic filter will prevent dirt, sand and other particles from entering the drinking water. Removes impurities and volatile organic chemicals such as and weeds How to Use: 1. Please soak the ceramic filter in clean water for 15 minutes 2. Please attach the rubber ring and assemble with the upper tank 3. Please wash with running water, do not use detergent 4. Please fix the nut and put the bottom tank Product information: Name: Ceramic Dome Filter Specifications: Material: Ceramic+Plastic Color: White Package Contents: 1 x Filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.