The Hydros Diaphragm Water Pump is a versatile and efficient accessory designed to work seamlessly with the HYDROS Drive Port. It functions as an external displacement pump capable of moving liquids without needing to be submerged, making it ideal for various aquarium applications such as auto-top-off systems. This compact pump measures 4 x 2.25 x 1.375 inches and can operate up to 9 feet in head height with a flow rate of 8 gallons per hour. It is self-priming, safe to run dry, prevents backflow siphons, and includes necessary tubing and an inline intake filter for easy installation. The pump comes with a GX-2 connector, allowing it to be powered and controlled directly through your HYDROS system's available DRIVE PORT. This ensures precise control over water level adjustments in saltwater reef aquariums. For aquarists looking to maintain optimal water levels without the need for continuous submersion or complex setups, this pump offers a reliable and smart solution.