Removes Chlorine Adds Minerals Natural Water Filter lasts for 6 months Vacuum foil packed individually Pre-washed and ready to use Can be used in our Eau Good bottle, Eau Carafe or any jug or bottle (*minimum spout opening 30mm / 1.2in) Charcoal is an incredibly dense material, so please take care when dropping into glass bottles & jugs, we recommend only adding once bottle/jug is full Our charcoal is made from natural wood sticks and dimensions vary (15 to 28mm diameter, maximum length 118mm)