Sapporo SP527/SP-527 Gravity Feed Bottle Steam Ironing System with Demineralizer and Magic Glide Shoe Industrial Gravity Feed Steam Iron (IGFSI) is a self-contained ironing system that does not require a boiler. It utilizes a separate (included) water bottle that must be suspended above your working surface. Elegantly designed with a soft-touch thumb switch for easy and powerful steam release. The Sapporo Gravity Feed Iron is extremely energy efficient and simple to maintain. Built-in sheathed wire heater improves thermal efficiency, shortens heating time, and thus offers GREAT economy. Includes one pound bag of Sapporo Demineralizer and Jacobson's Magic Glide Ironing Shoe