5000 LPH Amphibious Water Pump with Filter | Pond & Aquarium PumpEnhance circulation in ponds, fountains and large aquatic systems with this 5000 LPH Amphibious Submersible Water Pump with Sponge Filter. Suitable for a wide range of aquatic environments, the pump can operate fully submerged or connected inline, providing flexibility for different system layouts. The integrated sponge filter helps intercept debris before it reaches your primary filtration system, supporting smoother and more reliable water movement.