The cleanest quality: PP cotton filter reduces more than 30 types of mineralized substances such as selenium, manganese, zinc, iron, magnesium, phosphorus, calcium, potassium, etc. in the water. Take care of your body: Filters can reduce dry and itchy skin and keep skin, hair, and nails healthy. It is perfect for bathing children and your pets. After cleaning, fresh water can make your skin and hair smoother and softer, rejuvenate your body, and keep your sebaceous glands balanced. High-quality material: High-quality PP cotton filter material is used, which contains no invalid or dirty ingredients, inhibits algae growth, and protects every inch of skin. Worry-free support: We recommend changing the hand shower filter every 3-4 months, depending on the water quality. Dark brown indicates that the filter should be replaced immediately. Easy to install: Simply turn the shower head clockwise and screw it into the shower pipe during installation. The shower room can be used in various facilities such as hotels, gyms, swimming pools, etc.