The Filter unit Active Balls+ from Steinbach is a powerful and versatile solution for pools up to 19.000 l capacity. With a circulation capacity of 4.170 l/h or a pump capacity of 6.000 l/h and a 7-way valve with pressure gauge, it reliably ensures clear water. Particularly practical: the system can be operated with both quartz sand and the efficient filter balls. These replace 25 kg of sand with just 700 g of material, filter more finely, are lighter, easier to handle and particularly efficient. The Filter unit Active Balls+ is suitable for salt water (up to a salt content of 5 g/l), quiet in operation and ideal for all commercially available pools with 32/38 mm connections - for uncomplicated pool maintenance with the best filter results.