PERFECT COMPATIBILITY - The foam gun is perfect for K2/K3/K4/K5/K6/K7 pressure washers. Auto Foam - Mix the car wash with water, shake the foam bottle, it will create soft and fluffy snow foam, then spray it on the area you need to clean. Turn the top knob to adjust the foam concentration. Adjustable Nozzle - You can adjust the spray pattern from straight to fan according to your needs. Each foam gun accessory comes with an adjustable rust-proof foam nozzle and a sturdy connector to control the pressure of the foam gun. Large Capacity - 750ml capacity, the car wash Snow Foam Gun is enough for 3-4 cars, trucks, SUVs, etc. The transparent detergent container makes it easy to check the remaining foam. Wide Application - The foaming soap dispenser can be used to clean vehicles, porches, motorcycles, bicycles, decks, blinds, driveways, walls, and caravans. Package Dimensions ‎22.7 x 13 x 9.7 cm; 270 grams