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🐠 Elevate your aquarium game with silent, sleek overflow mastery!
The Fiji Cube Low Profile External Overflow Box delivers a compact, durable acrylic design with quiet water flow and versatile overflow options. Equipped with a full DIY installation kit including a diamond hole saw and emergency drain PVC pipe, it’s engineered for easy setup and maintenance, making it the perfect upgrade for professional-grade aquarium systems up to 72,000 gallons.




| ASIN | B07TX2SKMX |
| Additional Features | Lightweight |
| Brand | Fiji Cube |
| Brand Name | Fiji Cube |
| Color | Black |
| Customer Reviews | 3.9 out of 5 stars 26 Reviews |
| Included Components | Fiji Cube External Overflow assembly, Glass Drill Bit & Hole Template, Associated Bulkheads and Gasket(s), Two Seal Gaskets for each Tank Bulkhead, One Seal Gasket for Drain Bulkhead, Additional Gaskets are available for purchase |
| Item Shape | box |
| Item Type Name | Item |
| Item Weight | 2.82 Kilograms |
| Item weight | 2.82 Kilograms |
| Manufacturer | Fiji Cube |
| Manufacturer Part Number | 367640 |
| Material | Acrylic |
| Material Type | Acrylic |
| Model Number | 367640 |
| Product Style | Compact |
| Shape | box |
| Special features | Lightweight |
| Specific Uses For Product | Aquarium setup and customization, DIY installation, water flow management |
| Tank Volume | 72000 Gallons |
| Tank volume | 72000 Gallons |
| Target Species | Fish |
| UPC | 761856629820 |
| Unit Count | 1.0 Count |
| Vivarium Type | Aquarium |
A**R
Works great
Solid construction, well packaged, great product. I used the hole saw provided and it worked without issue. I will say when working with this type of hole saw it’s important to check that it’s not crooked/wobbly in the drill. The template was easy to use and everything fit very nicely.
M**Y
Great features
Very impressed with the quality of this product. fit and finish are terrific. Comes with high quality bulkheads and fittings. The pop off weir chamber attaches very securely, but will be easy to detach and clean
K**Y
Terrific, but almost wasn’t!!!
Everything is great! I love the low profile box inside the tank. The plumbing was just right for 1” PVC. The part that was a near miss for me: I use a bean animal to keep it quiet and it works like a charm. It’s virtually silent. But if the outer box was any smaller, and I mean any smaller, I wouldn’t be able to fit the 1” bean animal in it. I had regular PVC 90’s… and they wouldn’t fit! Scary!!! So I went back to the store and bought street L’s. They just BARELY fit… But they DO fit.
M**N
Buyers beware.
The build quality of the actual overflow and components is top notch. However, do not use the included glass hole saw. Against my better judgment I used the one that came with the kit. It is very much a bottom of the bin hole saw. Mid cut on second hole the shaft bent and sent a crack running between both holes. $1500 aquarium in the trash. Really kicking myself because I had a lot nicer of a hole saw in the garage. If this was my first time drilling glass I would be extremely upset that such a low quality hole saw was included. I’m sure I’m one of the few that this has happened to with this kit, however, save yourself the heartache and get a better holesaw or you will be stuck with a nice overflow box that you can no longer use. Buying another aquarium is not in the budget
J**N
Recommend!
Was simple to set up and drill my 120 gallon tank with the included drill bit. If you have a rimmed tank don't forget to buy a couple extra gaskets for the space between the tank and overflow box. I set mine up as bean animal and it is almost completely silent.
Trustpilot
2 weeks ago
2 months ago