Dual Filtered Shower Head Combo Set: Unfiltered shower water can leave your body and hair feeling dry, itchy. MakeFit Newest dual shower head with filters equipped with advanced KDF55, calcium sulfite, vitamin C, ceramic balls, and more, significantly diminish chlorine, heavy metals,rust, sediment and other impurities from your water. Help you improve the health of your scalp, hair and skin Built-In Shower Filter for Healthier Skin and Hair: Upgraded shower head filter has been pre-installed in both shower heads's handle, reduces impurities in your shower water to help leave your body feeling soft, smooth, and truly hydrated. MakeFit Shower Filter can filter up to 50,000 L/ 13,208 gallons of shower water. We recommend replacing the inside filter every 3-5 months depending on the tap water quality in your area for best results