Quick Egg Tub Question

For those of you breeders who use light grates in your egg tubs to separate the eggs from the medium. Where do you find the grate itself?

I've been searching Home Depot and Lowes websites, but to no avail. Do you think anyone can post a link to it?

Thanks,
Joe

Following this thread because I need to know too!!

I bought some at Lowes in the construction materials section. It's called light diffuser for overhead fluorescent lights.

Thanks BCR! I found it at Home Depot. Here's the link for Sammiebob and anyone else who needs it!

http://www.homedepot.com/p/Lithonia-...S-R5/100579509