The system has the EverClean Rinse which cleans the systems membrane with reverse osmosis water to ensure consistently high quality water and also ensures longevity by extending the life of the membrane.In fact the system has the best manufacturers warranty of 7 years on parts. The cartridges are monitered this built-in patended device is a protection for over use of the system.When this system is used with the QuickFlow storage tank it ensures a faster, consistant flow of water to your tap. This system will produce 134 Litres of pure water per day and has a recovery ratio of 2.7/1