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 ensure high 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 will make your skin soft and moisturized, balance the pH and provide beneficial minerals to your skin, nails and hair from the very beginning. Suitable for family use, suitable for the elderly, pregnant women, children, work fatigue, provides healthy bathing pleasure. ④. 【HIGH EFFECT】Apply to cold water and hot water baths, high temperature does not affect 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 shine 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 for 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 required. Universal cartridge with standard size of 6.9 x 6.1 cm, 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. ⑦. Thank you for purchasing our products, and have a happy day.