1. Use organic diatomaceous earth because the material. 2. Generally, the filter out elements could be compatible for faucet set up filter. 3. Better filtration performance. The filtration elements has 7 sorts of filtration supplies adding deep-sea diatom , calcium sulfite, activated carbon, mineralized balls, tourmaline, PP cotton and filter nets. Therefore, it's going to take away many dangerous pollutants, comparable to chlorine, , viruses, heavy metals, rust, etc. 4. The cleanable clear out facets is less costly and can increase the provider life of the filter element. Colour: white Material: Diatom mud Size: 43 x 43 x 85mm Package Contents: four x Water purifier filter out Only the above kit content, other item should not included. Note: Light and diverse exhibits could cause the color of the object in the photograph somewhat different from the real thing. The measurement allowed error is +/- 1-3cm.