Brita MicroDisc Waterfilter Cartridge, 1 Count (Pack of 3), White Attachments:

Filters tap water as you drink, reducing chlorine, impurities and microparticles but preserving key minerals
Improved performance ‘Pure Taste Technology’ -fill up from any tap for a pure and refreshing taste
Each disc gives 60 litres of pure, refreshing water for just pence per litre
Eco friendly and cost-efficient alternative to buying bottled water
Fast preparation, simply submerge disc in water for 1 minute