Where can I find a hatching tray for a Sportsman 1502 Incubator?

[daisyacres]

I need a new one but can't seem to find a source or I'm not using the right search words. I want the tray that goes in the bottom for the final days. The tray the chicks actually hatch in-not the ones that hold the eggs for incubating.
Thanks for any help!
Cara