5- STAGE SHOWER FILTER: The Clean Stream Shower Filter encloses a 5-stage shower water filter cartridge. UNIVERSAL DESIGN: The Clean Stream Shower Filter is universal in design and compatible to fit with all standard showers. The Clean Stream Shower Filter with its 5-stage filtration system purifies water by removing chlorine and other harmful chemicals. EASY CLEANING AND INSTALLATION The Clean Stream Shower Filter helps you rejuvenate your body and revitalizes your hair, skin, and nails.