Exclusively for AquaBliss SF500 & SF400 - Heavy Duty HD Shower Filter (REPLACEMENT CARTRIDGE) leverages the power of the latest advanced shower water filter technology to reduce the chlorine, dirt, scale, odors, rust, chemicals and yuck that otherwise cascades over your hair skin and nails. So Easy to Replace - 60 Second Swap Out: Simply open up your shower head water filter, easily pop out your used filter for shower head and pop in your new water filter. You’re ready to indulge in the clean, clear, refreshing shower you enjoy, without everyone elses pipe build up running over your skin. Replenishing bliss, in under a minute. The HD Shower Purifier Filter Head - Now Even More Powerful - 48% Denser Media: Cleverly engineered to maximize the space with 48% more shower media, this is the water shower filter to get if you want to reduce the chemicals, toxins and environmental factors that do damage to your scalp, hair, nails and skin. Give Your Beauty a Fighting Chance - Hair, Skin & Nails: From big cities to tiny towns to your own personal well, recent water tests reveal an abundance of ‘yuck’ that dries out your skin, weakens your nails, and fries your hair. Replacing your AquaBliss SF500 filter medium gives your body a fighting chance - reducing the yuck to support your naturally regenerative beauty cycle. Long Lasting - 6 Months for a Family of Four: Thank you for trusting us with your families health and happiness. We guarantee you’ll absolutely love how your hair, skin and nails feel cleaner, stronger, and healthier. We’re that confident you’ll love your AquaBliss replacement cartridge as much as you loved your first! #1 Filters. #6 Months Supply.