Better question: Why not?
Use it anywhere
Keep your porch dry
Avoid standing water
Why Buy The Drain Away Drain Tray?
"Wonderful product if you're setting up a drain to your garden"
"I've only had these a year but I've found these trays are so well made that they should last many years. The male threaded outlet makes it super fast to connect several to a single pipe run using "bulldog T's" that insert to poly pipe. No clamps are necessary as there is no back pressure. No stagnate water means no foot rot of the plant or mosquitoes breeding."
"Saved my deck and garden from constant puddles and debris."