General description Our Universal 20-Stage Shower Filter is designed to purify hard water by effectively removing chlorine, heavy metals, fluoride, limescale, and other sediments. This high-efficiency water softener revitalizes skin, hair, and nails, making them soft, smooth, and hydrated. It helps alleviate skin problems, sensitivities, and allergies, while also preventing the spread of eczema. Additionally, it protects hair from damage, keeping it shiny and preventing brassiness and color yellowing. Technical specifications Filter element dimensions: 61 x 70 mm Standard thread size: 1/2-inch Replacement frequency: every 4-6 months when water pressure drops Compatibility and accessories Compatible with wall-mounted, handheld, rainfall, and combination shower heads Installation No tools required; simply hand-tighten for easy installation Usage Helps relieve skin issues and prevents hair damage Improves overall skin and hair health