The clear head internal jet upholstery wand by PMF comes with a 500 PSI brass valve. The clear head allows you and your customers to see the dirt being cleaned off their upholstery and is ideal for cleaning delicate fabrics. The upholstery wand has a thumb slide vacuum release which allows you to control the amount of solution over spray and vacuum suction. The upholstery wand has a spray jet enclosed inside the vacuum chamber to assist in preventing over spray. A standard 1/4" male quick disconnect is included with your order.