Fiji Cube

All-in-One Drop-In Kit for 40 Gallon Breeder Aquariums - 4th Gen (OPEN BOX)

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The Fiji Cube AIO Drop-In Kits simplify the process of building an all-in-one aquarium with a pre-built sump box that fits perfectly in the back of your aquarium and includes divided sections for your filtration, heating, and water circulation equipment. Fiji Cube designed this AIO box to maximize the filtration potential and minimize the effort, time and cost to DIY an All-in-One aquarium. Get to the fun parts of creating your aquascape and enjoying your aquarium. Just drop this AIO box into a standard aquarium that is readily available in the market and your all-in-one aquarium will be ready to roll. 


This AIO kit is a quick and great solution to set up a tank where simplicity and space savings are a concern. It is suitable to be used as a quick DIY solution for a display, hospital, frag growth tank, and much more. This kit will fit most appropriately sized aquariums with standard dimensions.



  • Silicone ready or secure with included magnets
  • Space-saving design; no external plumbing required
  • Filter sock included
  • Quality cast acrylic



  • AIO Outer Dimensions: 16.20”L x 4.76”W x 15.5”H
  • Media Basket Chamber: 4.4”L x 3.4”W
  • Skimmer Chamber: 4.4”L x 6.7”
  • Return Chamber: 4.4”L x 4.43”W
  • Pump Connection: 5/8" hose
  • Flow Rate: 320 GPH


What’s Included?

  • Fiji Cube All-in-One Box
  • Filter Sock Holder with Filter Sock
  • Plumbing Kit with Adjustable Nozzle
  • A pair of magnets and a pair of acrylic clamps for temporary placement of AIO Kit

Note: Return pump and aquarium not included and are for illustrative purposes only.

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