Monobloc filters are compact and very practical for the care and maintenance of the water of your pool. If you haven't considered if you really need a filter for your pool, think about the time you are dismissing to clean your pool. With compact sand filters, it will save much longer.This model has no prefilter, so it should be careful not to leave sliding leaves and other elements that may obstruct the pump.It is ideal for high pools and has the following specifications:Filter 300Filter rate: 4 m³ h.Use silica sand for filtering (not included).Power: 0.25 HPUpper valve: 4 waysDiameter: 304 mm.With hoses connections of: 38 mm.Filter 400Filter rate: 7 m³ h.Use silica sand for filtering (not included).Power: 0.50 hpUpper valve: 7 waysDiameter: 460 mm.With hoses connections of: 38 mm.Filter 500Filter rate: 9 m³ h.Use silica sand for filtering (not included).Power: 0.75 hpUpper valve: 7 waysDiameter: 560 mm.With hoses connections of: 38 mm.Filter 600Filter rate: 11.4 m³ h.Use silica sand for filtering (not included).Power: 1.5 hpUpper valve: 7 waysDiameter: 660 mm.With hoses connections of: 38 mm.