HEALTH CARE SHOWER SYSTEM: Our shower filter has 20 stages of filtration, which can effectively reduces chlorine, heavy metals, fluoride, lime and scale in water. HARD, chlorinated, chemical ridden water causing itchy skin, flaky dandruff, eczema, bone-dry hair and brittle nails. Our amazing shower filters IMMEDIATELY BEGINS REJUVENATING SKIN, HAIR & NAILS. SOFT AND SMOOTH YOUR HAIR: No harsh chemicals sneaking in to damage hair! With this filter hair is back to normal. Keeping blonde color bright and preventing brassy tones. Stopped significant hair loss and hair color from turning brassy. EASY TO INSTALL: No tools, just hand-tighten. Change the cartridge every 4~6 months once the water pressure gets low.