These are replacement 1/4" Vee Jet spray nozzles for the carpet wands and older upholstery wands for the XTreme Power XPC and XPH machines. Check the markings on the existing nozzle to confirm these are the correct ones you need.. These are sold as a 2 pack. These replace old or worn out nozzles. These will not work for the XTreme Power HSC (Hard Surface Cleaners) machines or their respective wands.