GQF has a new 66 large egg tray that fits GQF and Brinsea cabinets. They are very sturdy with no flexing. If you hatch a lot of peafowl eggs take a look at these, it sure makes getting to the back of the bottom rack mush easier. Pictured are the flimsy green 36 egg trays which you have to trim to fit two on a rack, and the new hard plastic GQF tray.