[Highly efficient] The 350 W sand filter system from AREBOS with a flow rate of up to 10,000 l/h and a delivery head of up to 9.5 m keeps your pool clean. This filter system is suitable for almost all standard pools up to approx. 35 m³. Additional integrated pre-filter system for perfect water quality. [7-way valve]  Equipped with a high-quality multi-function valve, it allows you to easily operate and control the filter system and also offers you numerous important functions such as filtering, backwashing, rinsing, draining, circulating, closing and a rest mode for the winter. [Large tank] The large tank can hold up to 20 kg of sand or 600 g of filter balls. Alternatively, you can operate the filter system with the filter balls included in the scope of delivery. Your advantage: No lugging, easy cleaning, environmentally friendly.