1、The exhaust is fast.The glue output is even without spilling,and the glue speed can be adjusted. 2、Widely used in photovoltaics, solar modules, bathtubs, fish tanks, architectural decoration, glass doors and window, electronic appliances, car and automotive parts, ships and containers. 3、Comfortable operation, fast exhaust, and exhaust valve minimizes glue spillage. 4、Simple and convenient to operate; labor-saving and of high efficient. 5、Suitable for continuous operation in large areas. Features: The exhaust is fast.The glue output is even without spilling,and the glue speed can be adjusted. Widely used in photovoltaics, solar modules, bathtubs, fish tanks, architectural decoration, glass doors and window, electronic appliances, car and automotive parts, ships and containers. Comfortable operation, fast exhaust, and exhaust valve minimizes glue spillage. Simple and convenient to operate; labor-saving and of high efficient. Suitable for continuous operation in large areas. Specification: Glue Barrel Capacity:310ml Adjustable Main Size:19~23mm Practical Glue Barrel:21.5~22.5cm Inlet Nozzle:1/4in Working Pressure: 6.8bar Package List: 1 x Main Unit 1 x Pressure Adjustment Valve 1 x White Glue Nozzle 4 x Scraper 4 x Glue Nozzle 1 x Gasket