This pump also includes an internal bypass variable flow to reduce cycling. Aquarium Fish Tank Powerhead Wave Maker Filter Oxygen Circulation Water Pump UK. Open Flow: 3.0 GPM (11.3 LPM). QUIET AND EFFICIENT OPERATION – Engineered for minimal noise with vibration-absorbing mounts and a robust diaphragm design, providing consistent, quiet water flow for a comfortable experience in your RV, boat, or off-grid setup.
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