The J-4000 Heavy Duty Garment Steamer is Jiffy Steamer's most powerful model, especially designed for heavy duty use. Known as a durable "workhorse" in the industrial fabric and garment trades, the Model J-4000 is a powerful and essential tool in removing wrinkles from large quantities of garments. An internal corrosion proof water tank holds 3.78 litres of water, giving 1.5 hours of steam time per filling. This unit also has two convenient user settings enabling you to keep the unit on standby, ready to steam when you are.