Transparent Housing: With the transparent housing of our faucet filter, you can monitor the filter status and know when the filter element needs to be replaced, which can improve the health of the family's drinking water Multi-Layer Filter Element: The anti-limescale faucet filter made of environmentally friendly ABS material + PC material is used with high-density PP cotton filter element and particles to remove residual chlorine, heavy metals, fluoride, rust and other impurities in the water and make the water softer and safer High Compatibility: The anti-limescale faucet filter is suitable for 99% standard round kitchen faucets, with M22 external thread and M24 internal thread. In addition, the valve core has universal fittings and can be easily installed in most faucets 360 Rotation: The outlet of the faucet water filter can be rotated 360, which makes your faucet more flexible and makes it easier to clean the dead corner of the kitchen sink and remove all the dirt Package Contents: 2 faucet water filters with 5 replacement elements and 2 ABS faucet filter adapters. The quantity is large enough to meet daily needs and thus ensures a constant supply of clean and safe drinking water