Product information: With pre-filter, filter type: Quartz sand No. 20 or glass sand, pump flow rate: 3.5 m³/hr (925 gph), system flow rate: 2.0 m³/hr (550 gph), effective filter area: 0.03 m² (0.35 ft²), turbidity reduction efficiency TBR: 78.1%, deposited smear quantity after TBR test: 24.69 g (92.78%), hose fittings: Ø 32 mm, filter cleaning capacity: 0.28 bar, suitable for above ground pools up to 16.8 m³ (4440 gal), max. working pressure: 1.0 bar (12 psi), 6-way valve with solid adjustment lever, pressure gauge with pressure indicator, plastic bowl Ø 360 mm, recommended sand quantity: Quartz sand 6.5 kg / glass sand 5.0 kg, recommended grain size 0.4 to 0.8 mm or 0.7 to 1.2 mm, can be connected to all commercial above ground pools with a hose connection INTEX Standard.