A 4-in-1 Soap Foam Water Sprayer This multipurpose nozzle has a soap reservoir! The 4-in-1 Spray Nozzle is now available. You can use your garden hose as a car wash system with the 4-in-1 Spray Nozzle. Four built-in features: Foam: To apply foam to the vehicle Energy Jet: For a strong, potent jet Vertical nozzle: for a jet that is smooth