External Main System Pumps for Aquariums: 1000 to 2000 gph

Product Code: RHY19923
The Hydor Seltz D 1600 GPH 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.

Product Code: RIW01000
The Iwaki MD-100RLT Pumps are recommended for high-head situations or when using cartridge (pressure) filters. The MD pumps have Japanese motors. Iwaki MD series pumps do not come with a plug at the end of the power cord. Flow rate: 2,000 gph. Max head: 39.0 feet.

Product Code: RIW01000-Bundle
This Iwaki MD-100RLT Pump & Citric Acid Package includes two items: the Iwaki MD-100RLT Pump & Citric Acid. The Citric Acid is for creating a solution for cleaning the pump.

Product Code: RIW00401
The Iwaki MD-40RLXT Pumps are best suited for circulation only situations where water encounters very little back pressure. The MD pumps have Japanese motors. Iwaki MD series pumps do not come with a plug at the end of the power cord. Flow rate: 1,200 gph. Max head: 15.4 feet.

Product Code: RIW00550
The Iwaki MD-55RLT Pumps are recommended for high-head situations or when using cartridge (pressure) filters. The MD pumps have Japanese motors. Iwaki MD series pumps do not come with a plug at the end of the power cord. Flow rate: 1,080 gph. Max head: 26.9 feet.

Product Code: RIW00700
The Iwaki MD-70RLT Pumps are recommended for high-head situations or when using cartridge (pressure) filters. The MD pumps have Japanese motors. Iwaki MD series pumps do not come with a plug at the end of the power cord. Flow rate: 1,500 gph. Max head: 31.8 feet.

Product Code: RIW10401
The Iwaki WMD-40RLXT Pumps are recommended for circulation only situations where water encounters very little back pressure.The WMD pumps have American motors. Flow rate: 1,200 gph. Max head: 15.4 feet.

Product Code: RLG81507
The Little Giant 3-MDQX-SC Aquarium Pump is a Circulation pump meant for use in free flowing set-ups (direct tank return applications, wet/dry filters). Flow rate: 1,100 gph.

Product Code: RLG82507
The Little Giant 4-MDQX-SC Aquarium Pump is a Circulation pump meant for use in free flowing set-ups (direct tank return applications, wet/dry filters). Flow rate: 1,325 gph.

Product Code: RCV25219
The Reef Octopus OCTO VarioS-4 Controllable DC Circulation Pump features a detachable controller module, high quality ceramic shaft and propeller bearing to reduce wear and tear, and the latest variable speed flow technology for refined control, enhanced performance, energy-efficiency and safer operations. For submersible or external applications. Max flow: 1,056 gph.

Product Code: RCV25220
The Reef Octopus OCTO VarioS-6 Controllable DC Circulation Pump features a detachable controller module, high quality ceramic shaft and propeller bearing to reduce wear and tear, and the latest variable speed flow technology for refined control, enhanced performance, energy-efficiency and safer operations. For submersible or external applications. Max flow: 1,720 gph.

Product Code: RCV25217
The Reef Octopus OCTO VarioS-8 Controllable DC Circulation Pump features a detachable controller module, high quality ceramic shaft and propeller bearing to reduce wear and tear, and the latest variable speed flow technology for refined control, enhanced performance, energy-efficiency and safer operations. For submersible or external applications. Max flow: 2,700 gph.

Product Code: RSI96799
The Sicce Syncra SDC 7.0 WiFi Controllable DC Pump is equipped with integrated intelligence systems to meet the needs of advanced recirculating applications. Flow Range: 800 to 1900 GPH.