The Hydor Seltz D AC Controllable Universal Pump is a high-performance, multipurpose, electronic, centrifugal pump with controllable flow thanks to electronic inverter technology.Ideal for sumps, refugiums, biological filters and in general, to circulate fresh and salt water.Supplied with pre-filter and pipe holder connectors for non-submerged use. Features: AC controllable pump. Very quiet. High performance with low energy consumption. Water sensor located inside the pump motor: temporarily turns off the pump so it is not damaged in the event of a lack of water flow. For both internal and external use in water up to 40°C. In the water or out of the water: It can work in wet or dry conditions. Feed Mode: puts the pump on stand-by for 5 minutes to be able to feed your fish or corals, do maintenance inside the aquarium. The pump is equipped with an electronic flow regulation system. Base with feet, allows installation while preventing the transmission of vibrations. It is possible to rotate the front chamber of the pump in different positions to adapt the grip to different needs. Equipped with prefilter and connectors for pipes of various sizes, which can be used as needed. Can be used as a return pump, circulation pump, for fountain and pond applications To adjust the water flow use the + and - buttons. 6 speeds to choose from plus 5 minute feeding pause button. For internal or external use.Supplied with pre-filter and pipe holder connectors for non-submerged use. For freshwater and saltwater applications. Australian Plug. Specifications:Hydor Seltz D AC Controllable Universal Pump 6000lphMax flow rate: 6000LPHMax Head: 4.2mDimensions: 195mm x 89mm x 119mm38mm MPT inlet/outlet. Includes 25mm hose barb.Energy efficient (55W) and quietSpecifications:Hydor Seltz D AC Controllable Universal Pump 9000lphMax flow rate: 9000LPHMax Head: 4.5mDimensions: 210mm x 89mm x 119mm38mm MPT inlet/outlet. Includes 25mm hose barb.Energy efficient (80W) and quietSpecifications:Hydor Seltz D AC Controllable Universal Pump 12000lphMax flow rate: 12000LPHMax Head: 4.5mDimensions: 210mm x 89mm x 119mm38mm MPT inlet/outlet. Includes 19mm/38mm/32mm/38mm hose barbs.Energy efficient (90W) and quiet The Hydor Seltz D DC is a multipurpose electronic universal pump, designed for energy savings.Water flow is adjusted by on the included electronic controller.The Hydor Seltz D DC pumps are ideal for sumps, refugiums, biological filters and in general circulation of freshwater or saltwater aquariums to benefit the ecosystem health.Seltz D DC are equipped with pre-filter and barbed pipe fitting for various sized hoses.The Seltz D DC is perfectly suited for all applications that require submerged or in-line installation of the pump.Specifications:Hydor Seltz D DC Controllable Universal Pump 4000lphMax flow rate: 4000LPHMax Head: 3.8mEnergy efficient (32W) and quietFeatures: Universal multipurpose electronic pump Suitable for circulation in fresh water or salt water aquariums Ideal for pits, shelters, biological filters High performance with low energy consumption Very quiet 24 V low voltage operation Equipped with prefilter and fittings for pipes of various sizes, which can be used as needed It is possible to rotate the pump front chamber in different positions to adapt the outlet to different needs Base with feet, allows installation while preventing the transmission of vibrations The pump is equipped with an electronic flow regulation system Feed Mode: puts the pump on stand-by for 5 minutes to be able to feed your fish or corals, do maintenance inside the aquarium In the water or out of the water: can work in wet or dry conditions Water sensor located inside the pump motor: temporarily turns off the pump so as not to damage it in the event of a lack of water flow For both indoor and outdoor use in water up to 40°C