The stylish Bobble Water Bottle makes life better, is kind to the environment and saves you money. It uses a clever carbon filter which filters regular tap water as you drink from Bobble. The stylish, ergonomic shape combines innovation with practicality as it reduces waste by purchasing less bottled water and delivers a crisp clean drink of water. Its carbon filter fits all sizes of Bobble bottles and each filter cleanses the equivalent of 300 bottles of water or 150 litres. We also provide replacement filters. 1 litre. The Bobble Water Bottle is BPA, Phthalates and PVC free. The Bobble Water Bottle is BPA, Phthalates and PVC free.