... 20" container3 units40" container7 units The Items of this Food Push Cart:1. Wheels:Four small wheels are convenient ... drain, easy to clean up5. Electric System:Lighting device, multi-function sockets, switches, leakage protector, disconnector andexternal cables available6. Water ... tank, a waste water tank12V mini water pump, 12V power adapterOn/off control switch7. Food Cart Color:Red, Yellow, Orange ...