this was a mobile display piece, used in conjunction with a more conventional display. The purpose was to show the proximity accessories' relationship to the countersystem and to the use of a typical gas cooktop as well as the Gaggenau steamer insert. The perforated insert can be used as a colander, solid bottom insert as a work tray, both or either move freely from sink to appliance to fridge, freezer or dishwasher. In addition, the standardly available steam table inserts or "sheet pans" made by Vollrath have Carriers for them as well. You don't need to be a Gaggenau enthusiast to use the countersystem...