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Whale Gulper Grouper Mk3 Fishbox Discharge Pump

Whale Gulper Grouper Mk3 Fishbox Discharge Pump

  • Flow Rate: 4.76 GPM, Port Size: 1" or 1-1/2"
  • Select Voltage, Current Draw: 4 Amps @ 12 Volt DC
  • Easy to Install, Non-Clogging Filter-less Fishbox Waste Pump
  • Item #: 
    Model #: 

    Multiple Models Available

    Shipping Weight: 
    4.80 Lbs.
    Our Price:
    From: $149.99  To: $159.99
    149.99 159.99
    Please enter quantity below.

    Model #
    12 Volt
      *In Stock!*
    Our Price: $149.99
    24 Volt
    Our Price: $159.99
    Click the "More Info" button above for specific information about that product.


    • Gulper Grouper Mk3 is a non-clogging electric Waste Pump without filters
    • Gulper Grouper's non-choke valves are designed for fish waste
    • Replace your macerator with the ultimate fishbox waste pump
      • 90 Degree Head makes this pump ideal replacement for macerators
      • Large Inlet Port for Efficient Pumping
    • Suits standard 1" and 1-1/2" hose connections
    • Enhances Priming Capabilities
    • Quieter Pump
    • You can depend on diaphragm pump technology :
    • No impeller to clog or burn
    • Non-choke valves- easily handle fishbox waste
    • Save money - Single pump for multiple wells
    • Easy to install - 360 degree head rotation
    • Choice of 1" or 1 1/2" hose connections to suit your installation needs
    • Easy to maintain and clean Ideal replacement for macerator pumps
    • Fast pump out: Up to 6.75 US gals/ 25.5 ltrs per minute
    • Long term durability: Runs dry without damage
    • Fit in convenient locations: Multi-directional head position Save battery
    • Low power consumption
    • (1) Year Warranty


    • Materials:
      • Pump Body: Aluminum, Glass Filled Nylon
      • Clamp Ring: Acetal,
      • Diaphragm: Santoprene
      • Valves: Nitrile
      • Feet: EPDM
      • Gearwheel: Delrin
      • Fasteners: Stainless Steel, Brass
      • Maximum Suction Lift: 3.3 feet (1-meter)
      • Flow Rate per Minute: 4.76 gallons (18 liters)
      • Dry Running Current:
        • 12 Volt DC: 4 amp
        • 24 Volt DC: 2 amp

    Click Here for a Data Sheet for this Product

    CA Prop65 warning


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