Sand filter The sand pump is one of the best equipment for purifying the pool water. The normal filter is characterized by the fact that the sand is used to run it, thanks to which it becomes more ecological. Regular swimming pool filters must be replaced every two weeks, while quartz sand retains its properties for up to a year. The pump has a 280W engine, thanks to which it can achieve up to 8,327 liters per hour. The pump also has 6 different operating modes such as rinsing, washing, filtering and recycling