- This Brita water filter bottle removes limescale, chlorine and other impurities for clearer and fresher drinks- Each MicroDisc filter works for 60 litres of water - that's around a month - and there's 1 spare in the box- You'll get 60 litres of filtered water out of it - plenty for you to last for good 4 weeks- It reduces microparticles ≥ 15 μm in size, leaving you with safe drinking water- Keeping it clean is a breeze - just pop the jug in the dishwasher ( up to 55° C)