Feature:1. [BRASS NOZZLE] The nozzle of the vacuum generator is made of brass, which is wear and corrosion resistant and more responsive.2. [SIMPLE STRUSTURE] The clear structure of the vacuum generator makes it easier for users to install and maintain.3. [ALUMINUM ALLOY SHELL] The shell of the vacuum generator is made of aluminum alloy with high hardness, no rusting and long service life.4. [CLEAR THREAD] The accurate and well defined threads ensure a solid connection and the stability of the generator's operation.5. [COMPACT SIZE] The vacuum generator is small in size but has a large ventilation capacity to better improve efficiency.Specification:Item Type: Vacuum GeneratorMaterial: Aluminum alloy, brassUse Pressure: 4.5-5barNozzle Diameter: Approx. 1.5mm / 0.06inModel: CV-15HS.Package List:1 x Vacuum Generator