features Advanced care: Shower filters are fantastic in reducing chlorine, heavy metals, fluoride, lime and limescale within the water. You&;ll take pleasure in fresh, chemical-free, odorless water Purifier: Reduces the chance of a clogged shower head. We recommend that you simply replace the clear out each 3 months (~8000 gallons), depending on the water quality and frequency of use. Easy to replace - no devices required to replace. Simply open the casing of the shower cartridge filter, get rid of the old one and replace it with a fresh one. be aware 1. We sell compatible alternatives. 2. Please observe that the colour may well fluctuate counting on the display. 3. If there's a difficulty with the order, understand your unpleasantness, please contact us, we can try our best to present you a satisfactory result.