General description The Pack Universal 20 Stage Shower Filters are designed to purify hard water by effectively removing chlorine, heavy metals, iron, and other sediments. With 20 levels of filtration, this high-efficiency water softener revitalizes skin, hair, and nails, making them soft and smooth while alleviating skin issues such as dryness and irritation. Technical specifications Filter element size: 61*70MM Thread size: Standard 1/2 inch Compatibility and accessories Compatible with wall-mounted, handheld, rain shower heads, and combination shower heads. Installation No tools required; simply hand tighten for easy installation. Usage Replace the filter every 4 to 6 months when water pressure becomes low.