The soap dispenser is compatible with all Krcher K2, K3, K4, K5, K6, and K7 machines featuring the rectangular bayonet connection. The snow foam lance is designed for applying thick, adhering foam onto vehicles. The 700ml soap bottle capacity is sufficient to cover 3–4 sedans on a single fill. The foam atomizer is adjustable, allowing control over foam output and spray pattern. Constructed from durable plastic and brass components, the unit is lightweight for easy handling and operation. Specifications: Nozzle hole size: 1.1mm Pressure rating: 2100 PSI / 15 MPa Bottle capacity: 700 ml Materials: Solid brass, nylon, and high-density polyethylene Maximum water temperature: 60°C Adjustable foam concentration: Yes Adjustable spray width: Yes Instructions: 1. Fill the bottle with water (for best results, use warm water with a mixture of 20% shampoo and 80% water). 2. Shake the bottle to mix the solution thoroughly. 3. Attach the bottle to the foam lance assembly.