This pool sand filter effectively filters and purifies pool water using sand as a filter medium. It's an economical and low-maintenance solution to keep your pool water pristine. Made from high-density polyethylene, this sand filter is highly durable and designed for a flow rate of 7 m³/h with a maximum working pressure of 50 PSI. It requires 27 kg of filter sand (not included) to operate. The filter features a multiport valve with four positions: filter, backwash, rinse, and winter. This sand filter is suitable for pool pumps ranging from 0.35 to 0.5 HP and can connect to hoses with a diameter of 32 mm or 38 mm. Please note that the pump is not included, and installation should be performed by a qualified technician according to local codes and ordinances. Specifications: Colour: Grey, Material: PE, Dimensions: 35 x 62.5 cm (Diameter x H), Connection size: 48 mm (1 1/2"), Filter area: 0.1 m² (1.06 ft²), Flow rate: 7 m³/h (1800 GPH), Maximum working pressure: 50 PSI, Filter sand needed: 27 kg (not included).