1.PURIFIES YOUR WATER, PERFECTS YOUR SKIN – shower head high pressure shower filters provide your shower with ideal water for softer and cleaner skin hair and stronger nails.15 stage -filtragion, Quickly, easily and naturally eliminate all the yuck in city water, hard water and well water systems. 2.5 OPERATING MODES: Our Rotate the shower head filters deliver a steady flow and greater pressure in all 5 modes. Gently turn the controller and choose your favorite spray mode, enjoy wonderful and y shower moment. 3.CONSISTENT WATER PRESSURE: our high-performance inline water filter won't reduce existing water pressure for an improved rinse. But if you have a lot of sediments, you may need to backwash often to avoid a decrease in water flow. This shower head with filter means you don't have to purchase an additional hard water filter. 4.FULL COMPATIBILITY: Universal Replacement Vitamin C cartridge Standard Size 2.7x 2.4 in , Requires replacement once in 4-6 months (~ 12 000 gallons) depending on water quality and frequency of use. Easy intallation, Just open the housing of the shower cartridge filter, take out old and replace with one and make sure that washer is in the slot which is inside the filter to avoid leaking.