Little Giant 3-MDQ-SC (581506) Magnetic Drive In-Line Aquarium Pump, semi-corrosive, 1/15 HP, 115V, 6' cord, high head

Little Giant 3-MDQ-SC Aquarium Pump 581506
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Little Giant 3-MDQ-SC Aquarium Pump 581506 curves
Little Giant





Little Giant




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$190.50 / each
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Little Giant 3-MDQ-SC (581506) is a Magnetic Drive Aquarium Pump 1/15 HP, 115V, 6' power cord - SC Quarium Series for semi-corrosive salt solutions and chemicals, designed for in-line saltwater and freshwater aquarium circulation and filtration applications.

Little Giant 3-MDQ-SC 'Quarium Series features a leakproof, seal-less magnetic drive and a more quiet operation for freshwater and saltwater aquariums. Little Giant 3-MDQ-SC has 1/2" MNPT discharge and 3/4" FNPT Intake with head capacity of 18'. This is a pressure applicable pump. The MDQ model was built to handle back pressure very well and is recommended for high head heights or for canister filtration systems. The volute, magnet housing and impeller of 3-MDQ-SC are glass-filled polypropylene encapsulated for excellent chemical resistance. The ceramic shaft and thrust washers are 99.5% pure alumina provide unparalleled wear and trouble-free service. The O-ring seals are nitrile (Buna-N). Little Giant's powerful 1/15 HP thermally protected, totally enclosed, motor delivers 700 GPH of fluids at 1' total dynamic head. Little Giant 3-MDQ-SC has been factory-tested for capacity, control operation and electrical continuity to assure maximum performance and safety.


  • Thermally protected motor with 3-prong molded plug and 6' power cord;
  • Corrosion resistant to salt solutions and many other semi-corrosive fluids;
  • Inline only (Non-submersible);
  • Freshwater or saltwater;
  • Includes 6' power cord;
  • Magnetic Drive;
  • Intake: 3/4" FNPT;
  • Discharge: 1/2" MNPT with barbs for 3/4" I.D. tubing;
  • 650 GPH @ 3';
  • Listings: UL, CSA.

Technical Specifications of Little Giant 3-MDQ-SC:

  • Horsepower: 1/15 HP;
  • Flow: 700 GPH @ 1';
  • Cord Length: 6';
  • Shut Off: 18';
  • Voltage: 115 V;
  • Hertz: 60 Hz;
  • Amps: 0.8 A;
  • Watts: 90 W;
  • Weight: 9.25 lbs;
  • Height: 4.9";
  • Width: 3.9";
  • Length: 11.4".


1 year manufacturer's warranty.
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