free delivery over £120

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livestock delivered by us

Orders under £20 are subject to a £5 surcharge*

free delivery over £120

Orders under £20 are subject to a £5 surcharge*

Maxspect Jump Gyre MJ-GF4K (1500lph)


5 in stock (can be backordered)

Buy to earn 419 Delta Points!

The new Jump Gyre pumps contain the same Sine Wave technology as the top of the range 300 series Gyre pumps for near silent flow. They are available in two models the MJGF2K rated at 7500lph this pump also comes with a cap for one side of the pump making it suitable for even small nano systems. The larger MJGF4K is rated at 15000lph. The pumps are supplied with 2 sets of rotors one set is a stylish orange but for those wanting less bling a black set is included in the box.

The pumps are supplied as a one pump one controller package with the controller capable of running 24 hour programmable cycles over multiple flow patterns.

Propeller Nozzle Technology

  • Dead spots with relatively poor water movement.
  • Very strong flow in the centre, making coral placement very difficult.
  • Very weak flow near the other end of the aquarium.

Cross Flow Technology

  • Virtually no dead spots.
  • Evenly distributed flow rate throughout the entire aquarium.
  • Water bounces back from the other side to create a full circulation, i.e. generating "gyre flows".



  • Dimensions: 308 x 80 x 43mm (LxWxH)
  • Power Consumption: 45W
  • Flow Rate: 15,000lph
  • Suitable for aquariums sized: 50 - 450 Litres
  • Weight (pump unit): 711g
  • Glass thickness: 20mm

Note: Not compatible with Maxspect Gyre pumps or controllers.

If you need any advice on how to use this product, contact us and speak to a member of the Delta Aquarium Marine team.

What is Backorder?

Answer: Available on backorder means we do not have the item currently in stock but are able to order it in and get it out to you quickly.

What is your special local delivery

Answer: This is where we can deliver livestock to you ourselves to save it going to a courier. This means it will be handled with optimum care same day within the local area of our shop.

If you have any questions about this product please feel free to contact us and speak to a member of the team.

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If you live within a 10 mile radius of Birmingham University, and your order is £30 or over (not including postage), you qualify for the option to use our Delta Prime delivery service. This means delivery is at a discounted rate and is also hand delivered by ourselves. For livestock this means there’s no overnight shipping, and hand delivered with care by us. Once your order has been placed, we will contact you to arrange time for delivery. Depending on booking slots, orders placed before 12pm, can be delivered the same day or whenever suits you.


Delivery days & times

7 Days a Week: 3pm-7pm


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