Use biological diatomaceous earth since the main clear out material. Generally, the clear out elements could be correct for tap installation filter. Better filtration performance. The filter substances has 7 forms of clear out materials, adding deep sea diatomaceous earth ceramics, calcium sulfite, activated carbon, mineralized balls, tourmaline, PP cotton and filter mesh. Therefore, it will get rid of many dangerous pollutants, reminiscent of chlorine, heavy metals, rust, etc. The washable filter features is more cost effective and may extend the provider life of the filter elements. Type: Water Filter Parts Colour: white Material: diatom grime Size: 43x43x85mm Package Contents: 1 * Water purifier filter out Only the above kit content, other merchandise aren't included. Note: Light taking pictures and sundry reveals can cause the colour of the article in the picture a bit various from the genuine thing. The size allowed error is +/- 1-3cm.