Bath Filter for Tub, Filter for Bathtub Bath Water Filter Removes Hundreds of Contaminants for Softer, Smoother Skin 2500 Gallons of Filtration, BPA FreePure & Refreshing Bathing Experience: NIROKET tub water filter which contains KDF 55 and activated carbon to effectively reduce chlorine, heavy metals, and odors. Eliminate contaminants for a soothing and refreshing bath experience. Nourishes the body: filtering bath salts, mineral balls and magnetic energy balls rich in vitamin C. It supplies your bath with oxygen, useful minerals and vitamin C to keep your body, skin, hair and nails in optimal