Features: High-quality ceramic filter made of highly compressed ceramic with diatomic properties; resistant to extremely high temperatures. The ceramic filter helps keep dirt, sand, and other particles out of drinking water. Removes impurities and volatile organic chemicals.How to use: 1. Soak the ceramic filter in clean water for 15 minutes. 2. Attach the rubber ring and assemble with the upper tank. 3. Rinse thoroughly with running water; do not use detergent. 4. Secure the nut and attach the lower tank.Product Information: Name: Ceramic Dome Water Filter Specifications: Material: Ceramic + Plastic Color: White Package Contents: 1 x Water Filter Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement may vary by +/- 1-3 cm. Only the items listed above are included; other products are not included.