What size bulkhead does this use for the hole on the aquarium itself? It states the drain bulkhead sizes but not sizes for the aquarium itself.

They provide hole saw to install overflow.

Is there anywhere i can find the mounting template for this overflow box? i’m trying to see if it’ll match the holes in a synergy reef shadow

I have not seen a template online. The holes on bottom fit 3/4" bulk heads and pvc. I believe the whole on the back with the mounting bulkhead is 1 3/8". My partner and I drilled our own hole for mounting based on the size of the bulkhead and hole on the back. The product does come with a glass cutting drill bit for making the correct size hole.

What is the size of the hole saw?

Not sure exactly size, I think its 2" however they do provide you with hole saw for the job.

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Fiji Cube Low Profile External Overflow Box (1200 GPH)

Product ID: 513292763

Details

Brand
Fiji Cube
Item weight
2.82 Kilograms
Material
Acrylic
Special features
Lightweight
Tank volume
72000 Gallons

📏Slim 3/8” acrylic wall

🔇Quiet water flow design

🛠️DIY install kit included

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68454 som

Duties & taxes included

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Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌊 Elevate your aquarium game with silent, sleek overflow mastery!

SLEEK SPACE SAVVY - Slim, compact design fits seamlessly into any aquarium setup without bulk.
HASSLE FREE MAINTENANCE - Detachable skimmer box ensures easy cleaning and upkeep, keeping your tank pristine.
WHISPER QUIET OPERATION - Front and back lid covers minimize noise, creating a tranquil aquatic environment.
VERSATILE OVERFLOW STYLES - Supports Herbie or Bean Animal overflow methods for customizable water flow control.
EFFORTLESS DIY INSTALLATION - Comes with a precise template, diamond hole saw, and PVC pipe for quick, confident setup.

The Fiji Cube Low Profile External Overflow Box (1200 GPH) is a lightweight, slim-profile aquarium accessory crafted from durable 3/8” acrylic. Designed for quiet operation with noise-reducing lid covers, it includes a full DIY installation kit featuring a template, diamond hole saw, and emergency PVC drain pipe. Compatible with Herbie and Bean Animal overflow styles, it offers versatile, easy maintenance for professional-grade aquarium water flow management.

Specifications

ASIN	B07TX2SKMX
Additional Features	Lightweight
Brand Name	Fiji Cube
Color	Black
Customer Reviews	3.9 3.9 out of 5 stars (26)
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 Weight	2.82 Kilograms
Manufacturer	Fiji Cube
Manufacturer Part Number	367640
Material Type	Acrylic
Model Number	367640
Product Style	Compact
Specific Uses For Product	Aquarium setup and customization, DIY installation, water flow management
Tank Volume	72000 Gallons
Target Species	Fish
UPC	761856629820
Unit Count	1.0 Count
Vivarium Type	Aquarium

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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