[Wide Compatibility]Universal Standard Size 2.4x 2.6 in , works beautifully for all shower types- fixed, rain, handheld with zero tools, easily remove old shower head or shower filter and twist this new water filters for shower heads on. [Easy Installation]Installation takes only a few minutes and no tools required. Just open the housing of the shower filter, take out old and replace with new one and make sure that washer is in the slot which is inside the filter to avoid leaking.Run water (hot or cold) through the filter for 10 minutes to thoroughly soak the filter , and flush out loose filtering media. Enjoy clean water! [Revitalizes Your Body]High output universal shower filter dramatically reduces harmful unpleasant odors or impurities, relieves fatigue quickly, slows down aging and makes your skin smoother. this shower filter water softener acts as a moisturizer, purifier, softens and provides the best feeling for sensitive skin so you look better, feel cleaner & enjoy your skin. [New Upgrade Filter System]15 stage carefully sequenced filtration layers, shower head filters maximum reduction of Chlorine, heavy metals (lead, mercury, , ) and other harmful substance in your shower water.Soften water quality, reduce itching and dryness of sensitive skin. [Super ]Water pressure not be reduced during the use of the shower filter. The water pressure be constant during use.Requires replacement once in 4-6 months (about 12 000 gallons) depending on water quality and frequency of use.