General description Our AlwaysH Pack Universal 20 Stage Shower Filters are designed to purify hard water by effectively removing chlorine, heavy metals, iron, and other sediments. With 20 filtration levels, this high-efficiency water softener revitalizes skin, hair, and nails, making them soft and smooth while alleviating skin problems and sensitivities. Technical specifications Filter element size: 69 * 61 mm Filtration levels: 20 Replacement frequency: every 4 to 6 months 4 replacement filters provide up to 16 months to 2 years of filtration service Installation Easy to install with no tools required; simply hand tighten. Usage Helps relieve skin issues such as dryness, inflammation, and irritation. Prevents hair damage and maintains shine, especially for blonde hair. Reduces hair loss and yellowing of hair color.