Hydor Seltz D 2000 Controllable Universal Pump The Hydor Seltz D 2000 DC Controllable Pump (Model P21110) is a compact, energy-efficient water circulation pump built for versatility across a range of aquatic applications. It is suitable for freshwater aquariums, marine systems, sumps, hydroponic setups, and small water features. Powered by a reliable direct current (DC) motor, this pump provides an adjustable flow rate of up to 2000 litres per hour. The included external controller allows users to fine-tune output across multiple speeds to match specific tank requirements. An integrated feed mode pauses the pump for 5 minutes, making it easy to conduct maintenance or feed fish without disturbing flow settings. Its durable design features a ceramic shaft for silent operation, anti-vibration feet for stability, and a sealed motor for submerged or inline use. Threaded inlet and outlet connections offer compatibility with a variety of fittings. The pump also includes a pre-filter to prevent debris intake, helping to extend the lifespan of the motor. Whether you are setting up a display aquarium or need a dependable return pump for filtration, the Seltz D 2000 DC delivers consistent, efficient, and quiet performance. Key Features Only 23 watts Adjustable flow up to 2000 L/h Energy-efficient DC motor with external speed controller 5-minute feed mode for maintenance or feeding Automatic shutdown protection against dry running Silent operation with ceramic shaft and anti-vibration feet Includes threaded inlet and outlet adapters Compact design for inline or submerged installation Suitable for freshwater and saltwater environments Dimensions (L × W × H): 120 × 67 × 95 mm