These pre-filters are suitable for swimming ponds of this size. Which one is most suitable for you depends on the installation height. Your local pond builder/installer can advise you best.
The swimming pond filter (also the natural one!) must perform optimally, and can use some help from Microbe-Lift Clean & Clear. The total solution for a guaranteed clear and healthy swimming pond with fish and plants. Completely biological.
Dose automatically with a Dosatech dosing system and you don’t have to worry about it anymore!