Product Description: Quantity: 1pcs Color: mixcolor The professional foam gun works perfectly on pressure washer. Requires pressure washer to have:1000 PSI - 3000 PSI. Capacity of bottle: 34 oz (1L). Connectors are made of quality brass. Big enough for you to do a full spread on 4-5 sedan cars with one fill. The Professional Foam Lance combines a high pressure water flow mixed with detergent and air to produce thick clinging foam. Adjustable spray nozzle: you can adjust the pressure size of foam/water that comes out as you want. Perfect for weekly maintenance, Safe for wax and sealant, Rinses clean with no residue. Produces a nice thick layer of foam on the car, helps clean the vehicle faster and reduces the wash time considerably.