1.Universal water filter replacement fits any standard 10 inch and . 2.The water filter is designed with density three PP layers to remove most particle and sediments. The inner layer is Absolute 5 Micrometre; the middle layer is nominal 7 Micrometre; while the outer layer is nominal 10 Micrometre. 3.The multi- layer density can capture impurities targetedly and have 30% service life than the other common type. 4.The filter can filter 20000-30000 gallons depending on water quality. Suggest to replace it 3- 6 months for the average household for optimal performanc. size:254*60mm Material:Polypropylene colour:white Package Contents: 3 * Filter Only the above package content, other products are not included. Note: Light 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.