Showerhead (used) and Cartridge (unused) 1 set For those with sensitive or dry skin: ■ The calcium sulfite used in the cartridge removes residual chlorine in tap water. ■ Removing residual chlorine can reduce irritation to the skin and hair. ■ Water-saving effect is about 30%, helping you live an eco-friendly life. ■ It's easy to see why it's "Recommended by the Japan Atopic Dermatitis Association." ■ Head part: Width (approx.) 7.7cm / Handle part: Width (approx.) 3.3cm / Height: (approx.) 21.5cm ■ Weight: When the cartridge is installed: (approx.) 150g ■ Shower material: Body/shower plate: ABS resin, Adapter: Polyacetal, O-ring: EPDM ■ Cartridge material: Polypropylene, non-woven fabric, calcium sulfite ■ Substances removed: Residual chlorine ■ Maximum operating temperature: 60℃ Cartridge (unused) package has damage. Please purchase only if you understand that this is a used item. If you have any questions, please feel free to ask. (^^)