Upgrade Your Purification and Water Detoxification with our industry leading, long-lasting shower filter cartridge. An ideal water filter shower head replacement for anyone whos serious about reducing the chlorine, pesticides, dirt, odors, and scale growth for a shower cartridge, and pop in this advanced multi stage shower filter cartridge. Does Double Duty - PH Balance - Supports Happier Skin, Hair & Nails: This shower head filter does double duty; instantly reducing the harsh chemicals linked to dry,cracked skin, weak hair and brittle nails while providing cleaner, clearer water free from the irritating chemicals the government uses to keep your water safe. 2x Longer Lasting - Maximum Filtration in Hot & Cold Water - Wont Clog Your Shower Head leverages the power of superior potency, high caliber medium, activated carbon, spa grade calcium sulfate - in a condensed format that ensures it continues to reduce the level of irritating toxins in your water, without suppressing water flow