You’ve experienced the difference, now your Filtered Beauty™ Shower Purifier has done its job, she needs replacing! We recommend replacing your Purifier Cartridge every 6 months for optimal results. This filtration system has been specifically designed and engineered to improve your hair and skin health by removing chlorine, metals and bacteria from your shower water. Package includes: 1 X Filtered Beauty Replacement Cartridge Note: shower purifier shell is not included.