AREBOSSand filter system & Filter ballsUsing a sand filter system is the most popular way to ensure good water quality in your pool. Sand filter systems are essential for outdoor pools, and as a pool owner you should always ensure that your pool stays clean and hygienic. The sand filter pool pump cleans and filters the water in your swimming pool for a worry-free experience in the cool water.The AREBOS sand filter system filters the water of your pool by means of synthetic filter balls that can be washed and then immediately used again. Alternatively, you can also use quartz sand. While cleaning, the pump in your swimming pool pumps up to 10,200 liters of water per hour into the filter unit, where it is cleaned and then pumped back into the pool. The sand filter system is controlled via the integrated multi-functional valve. If you are looking for a practical and versatile filter medium for your swimming pool, your best option is our AREBOS filter balls. They are a substitute for he