This foam gun came with a quick connector, you can connect your hose quickly. The foam gun combines the soapy water solution with air and running water to spray foam. Car wash foam helps to carry dirt particles and grime gently away from paint or chrome surfaces, avoiding harmful scratching. Its simple to use, adding some soap and water to the container, and connecting garden hose. Using for car, motorcycle washing, windows washing, driveways, roofs, siding washing or any else needs washing. Perfect for automotive care enthusiasts.