ASTRALPOOL MAXIM Pump High performance centrifugal MAXIM pump has been developed for public swimming pools. Entirely manufactured in technical plastics, which guarantee a longer service life. It includes a 8 liter capacity pre-filter, with a particular wrench which allows an easy access to the pre-filter basket. Three versions are avaiable, with 3.5 HP, 4.5 HP and 5.5 HP triphasic motors. Such motors have a dual working voltage, 230V/400V, and endure oscillations between +/- 1