FULL : With a universal cartridge standard size of 2.5x 2.3 inches,our shower filters are easy to install in any home. The shower filter uses a standard 1/2 "threaded type and is compatible with wall-mounted,handheld,rain and combination shower heads for multifunctional home use. 75% WATER FILTRATION: Removes chlorine and fluoride,heavy metals and other deposits. This shower head water softener keeps bathing children and pets comfortable and safe. Our Vitamin C and E shower filter prevents eczema,dry skin and dandruff BODY CARE MUST HAVE: The High Output Shower Filter removes unpleasant odors and impurities,quickly relieves fatigue,slows down aging,and smooths skin. This shower filter water softener moisturizes,purifies and softens sensitive skin. STABILIZED WATER PRESSURE: Our high output shower filter delivers clean water without reducing the existing water pressure,providing a more comfortable showering experience. It's also a shower head water softener so you'll have less bathtub residue. EASY INSTALLATION: No tools required you can easily remove your old shower filter and replace it in minutes with this filter. Change the cartridge every 3 months once the water pressure gets low..