Fangrui Product Details Compatible With For Showerhead Filter Filtration System When Its Time To Your Shower Head Water Filter , There Be No Need To Drag Out The Toolbox. Our Water Filter For Shower Is An Easy Task To Accomplish And Requires No Tools. You Not Need To Wait Constantly - Immediately With A New Filter After The Expiration Date. 1 Filter Is 4 Months Long And Buying 3 At Once Immediately Makes Your Life Easier And Healthier For 1 Year Ahead, And Of Course Save Your Time And Money No Difficulty In Replacing A New Filter, Just Take One From 3 Pack, Make A Couple Of Simple Movements And You Can Take A Shower Again Without Worrying About The Purity Of The Hard Water And No Need To Buy New Cleaner Filter Every 4 Months. Tips: The Product May Be Updated Constantly, The Actual Product May Have Slight Differences Or Color Differences The Color And Appearance May Be Changed, Please Dont Mind. And Take A Consideration Before Place The Order If You Have Request For Color Or Appearance. C