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Cobalt Aquatics Power Head MJ400

The Original MJ multi-use submersible pump and power head is built to perform and last under the harshest conditions. Ideal for wave makers, protein skimmers, calcium reactors, nano aquariums, under gravel filters and hydroponic applications.


      1. Fully rotational output
      2. Fully sealed intake for internal and external use
      3. Universal intake tube
      4. Adjustable hanger with cord guide and 6ft power cord
      5. Adjustable venturi with silencer
      6. Triple suction cup mount
    7. Large intake screen for use with sponge


Model Watt
Max Flow
Max Height
(in / m)
MJ400 5 106 (400) 29" (.73m)
MJ600 7.5 160 (600) 53" (1.35m)
MJ900 8.5 230 (870) 46" (1.17m)
MJ1200 20 295 (1100) 69" (1.74m)

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