Compatible with showerhead replacement filter filtration system. When it's time to replace your shower head water filter, there is no need to use tools. This shower water filter replacement is easy to install and requires no tools. Replace the filter immediately after the expiration date without delay. Each filter lasts up to 4 months. Purchasing a 3-pack provides a full year of filtered showering, saving time and effort. Replacing the filter is simple—remove the old one, insert the new filter with a few easy steps, and resume use. Enjoy cleaner water without the hassle of hard water impurities. Note: Slight color variations may occur due to lighting and display differences. This does not affect functionality. Color: White Material: ABS Package Contents: 3 x Shower Head Filter Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. The measurement allowed error is +/- 1-3 cm.