1. Shower filter against limescale, shower filter, shower head filter with 2 cartridges, shower water filter to remove chlorine and fluoride 2. 【20 - layer FILTRATION】KDF 55, alkaline ceramic balls, activated carbon, calcium sulfite and other filter materials help ensure high - level water quality purification efficiency. 20 - layer filter materials can effectively reduce chlorine, heavy metals, rust, sand and other sediments. 3. 【IMPROVE SKIN, HAIR AND NAILS】This filter can make your skin soft and moisturized, balance the pH and provide beneficial minerals to your skin, nails and hair from the very beginning. It is suitable for family use, including the elderly, pregnant women, children, and those with work fatigue, providing healthy bathing pleasure. 4. 【HIGH EFFECT】It can be applied to cold water and hot water baths, and high temperature has little impact on the performance of the product itself. This shower filter does not change the existing water pressure, giving you soft and healthy water. With the limescale removal shower filter, you may notice that your soap and shampoo will work better, and your skin and hair will be better moisturized. 5. 【HARD & SOFT WATER FILTER】There are 2 filter cartridges in total. Each cartridge has a capacity of 12,000 gallons of water, which provides clean, odorless water and can be used by a family of four for 6 - 8 months. Delivery includes: 1x20 shower filters, 2x replacement filters, 1x Teflon tape, 2x silicone seals. 6. 【Universal Compatibility】No tools are required. The universal cartridge has a standard size of 6.9 x 6.1 cm, and our shower filter is easy to install in any home. The shower filter has a standard 1/2 inch thread and is compatible with wall mount, hand shower, rain shower and combination shower heads. Thank you for purchasing our products and have a happy day.