This is a car pressure washer, used as a matching accessories of pressure washers, for cleaning the car, floors, walls, etc. It can rinsed off those nasty dirt in your car very easily. Made of high quality brass, durable and solid, won't rust easily. You may like it. Specifications: Main materials: brass, nylon Nozzle selection: #1 For Nilfisk Lavor Old Type #2 For Lavor New Type #3 For Nilfisk Gerni #4 For Bosch Aquatak #5 For Karcher K #6 For Black Decker #7 1/4 #34; Adapter (optional) Rated pressure: 200BAR - 2900PSI Allow pressure: 280BAR - 3200PSI Internal thread: 1/4 #34; Maximum flow: 20L/min - 5.3USGpm Highest temperature: 60 / 140 Item weight: approx. 75g / 2.65oz Package weight: approx.80g / 2.82oz Item size: aprox. 10 * 2 * 2cm / 3.94 * 0.79 * 0.79in Package size: 13 * 2 * 2cm / 5.12 * 0.79 * 0.79in How to use: 1. Put PTFE tape on the brass tube (two threads), each thread needs 50cm PTFE tape. 2. Put the fitting / adapter with brass tube and suction tube on foam lance unit. 3. Fill fluid bottle with desired amount of shampoo. 4. Fill fluid bottle with water (for best results, use warm water, 20% shampoo #43; 80% water is suggested). 5. Shake the fluid bottle to mix the shampoo with water thoroughly. 6. Attach fluid bottle to foam lance unit. 7. Attach the fitting / adapter to pressure washer gun, and you can start playing with it. Note: Please kindly note that spray bottle is not included. Package list: 1 * Pressure Nozzle orAdapter