In a pressure filter situation, water flows from the pump, through the filter & out through a waterfall, watercourse or back into the pond. Because the system is pressurised the filter doesn’t need to be placed at a high point & can actually be buried up to the lid.

In a pressure filter situation, water flows from the pump, through the filter & out through a waterfall, watercourse or back into the pond. Because the system is pressurised the filter doesn’t need to be placed at a high point & can actually be buried up to the lid.