We have one of steamer like this in our inventory.
The Large Commercial Steamer is a powerful model that is designed for commercial use.
This model is equipped with an on/off switch which heats up in 2 minutes, and reaches standby temperature with 15 minutes. It features a plastic 1 gallon water reservoir with a no-drip check valve system and 360-degree swivel roll casters for mobility.
Other features:
5.5 ft flexible rubber hose
Convenient standby and steam settings
Steam Time per Filling: 1 hour and 45 minutes
Solid die cast aluminum outer housing for durability
Sight gauge for quick view of water level and sediment buildup