Specification Filtration technology: Ion exchange  Capacity: 4.2 liters  No. of filtration stage: 1 Removing impurities from tap water in a portable way is best with AQUAPHOR Onyx 4.2L Water Filter Jug. It has a filter cartridge that helps eliminate chlorine and limescale, making drinks taste better. Key Features The Aquaphor Aqualen Technology enhances ion exchange to bind heavy metals contributing to water impurities. It has a filter cartridge that can replace and has magnesium for better performance. However, it is made of plastic, shatter-proof, and without BPA, making it suitable for everyday use. The water filter jug, minus the lid, is dishwasher-safe for maintenance.  Why Buy This Using Aquaphor Onyx 4.2L Water Filter Jug will save the planet from plastic waste. Because it can last longer, you can also save money. Compared to its rivals, it has better filter technology that can handle up to 200 liters.