The J-4000 Pro-Line Series is Jiffy Steamer's most powerful model designed for commercial applications. Known as a durable "workhorse" in the industrial fabric and garment trades, the Model J-4000 is an essential tool in a multitude of applications ranging from removing wrinkles from clothing to retouching drapery to installing carpet. Please note the J-4000 is a commercial steamer and is not recommended for residential use unless you continuously steam for 1 hour or more per day.