There are many differences between rain shower head filter from normal shower heads. Vitamin C emits from this shower filter, so the water becomes pure and the germ becomes free. There is a filter cartridge that can remove the scars and odor of water. You need to know that the chlorine present in the water causes damage to our skin, hair, and nickel. So, this filter flows through the water of Vitamin C by removing all these harmful substances. So do not worry about your skin, hair, and nails. It is very easy to set up. Get 3 years warranty. It may need to change its filter cartridge after about 1 year. You can return within 45 days of purchase.