Built-in shower filter: including KDF-55, medical stone ball, calcium sulfite and other 9 kinds of filter balls. Through the filter medium, gradually remove the residual chlorine in the water and inject beneficial trace elements, soften the water, activate the water, reduce dry skin itching, no hair loss, no dryness Spray Settings: Our high pressure handheld filter showerhead has 9 switchable settings (gun water, pellet water, shower water, water saver, flare water, spray water, flare water + water saver, shower water + water saver, pause water). Simply press the button on the back of the handheld to enter the high-pressure power rinse mode for quick rinsing of large areas. It is the best helper for cleaning bathtubs, tiles, toilets and more High Pressure & Water Saving: Filtered shower head is equipped with unique pressurization technology and self-cleaning soft silicone nozzles to prevent dirt buildup. The innovatively designed high-pressure system creates a pressurized eff