1. This foam machine is suitable for daily cleaning, maintenance and foam cleaning of silky seat in the car interior. It has the characteristics of saving money, saving time, saving effort and cleaning without sand. It has changed the traditional backward process of manual car washing and is an indispensable tool for automobile beauty. 2. Thick stainless steel, anti-corrosion, durable, scratch-resistant, long service life. 3. High pressure, wear resistance, strong hydraulic power, and clean in one step. 4. Working pressure: 2.5-3bar