The soap dispenser works with all 's K2 K3 K4 K5 K6 K7 series machines that have the rectangle bayonet connector. The snow foam makes thick frothy foam covering and sticking on vehicles. The size of soap bottle is 600ml, which is big enough to do a full spread on 3-4 sedan cars with one fill. The foam cannon sprayer is adjustable and you can adjust the amount and fan of foam as you wanted. Constructed by solid plastic and brass fittings, it is much more lighter, which brings a flexible and convenient operation. Name: Kettle Capacity: 600ML Part number: 2.643-148.0 (Due To Different Batches, There May Be Slight Differences Or Color Differences In The Actual Details, Which Does Not Affect Use) Colour:Black Gray Material:Plastic Package Contents: 1x Watering Can Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.