Low Profile External Overflow Box – 1600GPH – Fiji Cube

The Fiji Cube Low Profile External Overflow Box (1600 GPH) provides a high-performance, compact, and safe way to route water from your aquarium to a sump, converting any tank into a drilled system. It minimizes internal clutter while maximizing flow and reliability.

This model is the large-capacity solution for serious aquarists needing substantial flow rates for robust filtration setups. The Fiji Cube external overflow box features a super-slim profile inside the tank and a full drilling kit for permanent, secure installation. Its design is focused on safety, quiet operation, and easy maintenance.

Key Features & Benefits

• Extra-High Flow Capacity: Rated for an impressive flow capacity of up to 1600 Gallons Per Hour (GPH), perfect for large aquariums and setups requiring very high turnover.
• Slim and Compact: Features a slim internal skimmer box design that significantly reduces visible equipment within the display tank.
• Versatile Compatibility: Fully functional with rimless, euro-braced, and standard trim aquarium tanks.
• Quiet Operation: Includes front and back lid covers to effectively reduce and silence the noise generated by the draining water.
• Easy Maintenance: The entire internal skimmer box component can be easily pulled off for simple, routine cleaning.
• Durable Construction: The exterior box is mounted with a robust 3/8-inch thick acrylic wall and base for maximum stability and security.
• Advanced Plumbing Ready: Built to facilitate advanced, silent, and fail-safe plumbing methods, including the Herbie Style or Bean Animal Style overflow

Installation & Included Components (DIY Kit)

The product comes as a complete DIY kit to convert your tank into a drilled system:

• Fiji Cube External Overflow assembly
• Glass Drill Bit & Hole Templatefor precise installation

• Associated Bulkheads and Gasket(s):

• Two Seal Gaskets for each Tank Bulkhead
• One Seal Gasket for the Drain Bulkhead
• PVC pipe included for emergency drain installation

Specifications (SKU: EOF-16)