Tray or pan to place underneath hot water heater to contain any leaks or overflows.  Also used on some A/C units to contain condensation.

Aluminum water tray/pan

Water aluminum tray

Material:AL 1060
Size and specification:17 inch,19 inch ,25 inch, and at your request
Wall thickness: 0.027 inches
Use: Containing air conditioning condensation, or containing hot water heater overflows.