Features: and high quality made of highly compressed ceramic with diatomic properties; resistant to extremely high temperature The Ceramic Filter keep dirt, sand, other particles from into drinking water. Removes impurities and volatile organic chemicals such as and herbides How to use: 1. Please soak the ceramic filter in clean water for 15 minutes 2. Please fix rubber ring and assemble with the upper tank 3. Please wash out with running water, don't use detergent 4. Please fix the nut and put on the lower tank Product Information: Name: Ceramic Dome Water Filter Specifications: Material: Ceramic+Plastic colour: white Package Contents: 1 x Water 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 the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.