Oase BIOsys Skimmer+ Pond Surface Skimmer Product Type_Air Pump Spares The large sump 4" bottom

The large sump 4" bottom drain is suitable for pond liners

especially in combination with the new OASE PondPads biofilter media

making them suitable for a wide range of filtration layouts

Improves the performance of your air pump

Tests for pH

Oase BIOsys Skimmer+ Pond Surface Skimmer Product Type_Air Pump Spares The large sump 4" bottomLooking for a reliable, stylish, and effective way to remove surface debris, leaves, and pine needles from your pond? If you want a permanent solution that is both effective and aesthetically pleasing, the Oase BIOsys Skimmer+ Pond Surface Skimmer is the perfect choice for you. This Skimmer is designed to be mounted directly at the edge of the pond, and it can be easily installed by joining the unit onto the pond liner. It offers exceptional