CompatibilityThe soap dispenser works with Karcher K2 K3 K4 K5 K6 K7 machines which have the rectangular bayonet connector.Function Quickly and effectively covers surfaces with a creamy foam. Compared with the traditional way of washing cars, this foamer produces a nice thick layer of foam on the car, helps clean the vehicle faster and greatly reduces the washing time.Using one to snow foam not only allows you to enjoy car washing fun, but also have a luxury car wash at home.CapacityThe size of the soap bottle is 750ML, which is large enough for you to fully spread over 3-4 sedans with one fill.Adjustable Spray NozzleAdjustable spray nozzle for a generation of mixing and foaming. The foam sprayer is adjustable, and you can adjust the foam amount and fan as you like.Widely ApplicationThe car foam sprayer can be used for washing cars , motorcycles, floors, windows, driveways, roofs, siding, etc. Ideal for amateurs or professionals. Works great with household pressure washers. Specification:Pressure Range: 2100PSI or 15MPaBottle Capacity: 750ML Material of construction: solid brass, nylon and high density polyethylene bottle.Maximum water temperature: 60 .Adjustable foam consumption: yes.Width of adjustable spray: yes. Package Contents:1x foam lance with adapter1x PA bottle (750ML) How to Use:1. Fill the liquid bottle with water (for best results use warm water, 20 percent shampoo and 80 percent water).2. Shake liquid bottle to mix shampoo with water.3. Attach the fluid bottle to the foam lance unit. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.