[Filtration precision up to 1 Micrometre]: In order to excellent filtration per suitable formance, this filter elements uses high-quality coconut activated carbon as the filter material, with a filtration precision up to 1 Micrometre. Efficiently removes various impurities such as sand, rust, sediment, odor, etc., while effectively absorbing residual chlorine, with a removal rate of more than 99%. [Compatible Models]: The filter can replace the suitable for water filter. Compatible with suitable for filtration systems including Travel, Grand, Royal, Imperial, and Crown Series. The precision design of the washers and wing nuts ensures a secure connection and prevents leakage. No primer required, it can be installed and used after replacement, saving early flushing work. No low traffic issues. [ Lifespan]: To extend the life of your device and get the best per suitable formance, we recommend you replace the filter every 6,000 gallons (depending on the quality of the tap water ). Please note that you must fully submerge the carbon filter once a week in order suitable for the drip system to siphon properly. [Af suitable fordable and cost-effective]: Why do we pay 4 times the price suitable for a brand? filters offer the same level of filtration and per suitable formance name filters, but at a more af suitable fordable price. By choosing us, you can enjoy the advantages of high-quality water filtration while keeping costs af suitable fordable and cost-effective. [Note]: Be suitable fore installing the filter, soak and clean the filter to remove residual manufacturing dust. Colour:Black Material:coconut activated carbon Package Contents: 4 * water purification filter elements 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.