Shower FilterThe Shower filter provides effective treatment to remove up to 99% of Chlorine, Dirt, Lead, Iron Oxides, Hydrogen Sulfide, odours and resist bacterial growth. For healthier skin and hair this shower filter removes the Anti Nitrites (and the excessive unhealthy chlorine) that cause skin irritation and hair problems. Specifications & Features Self Sealing Threads High Strength Housing Easy Installation Will Not Dent, Rust or Corrode Dimensions: 13cm