Fiji Cube just confirmed to me that when you purchase a stand-alone Fiji overflow box (1600, 2000 or 2400 model) they DO NOT work out of the box for Fiji 3/4" glass tanks (including the Fiji 171gal) - despite the compatibility matrix published on their website that says the box works with...
For sale is the the Fiji 2400gph ext overflow box. Never used. Glued up the 1.5 reducer to meet 1 inch pipe. I understand this is not for everyone's setup but if your looking for this setup it's the one you need. The template and diamond cutter are also included.
Not used because going with a...