Features 1、The cover is engraved with the inner diameter size for easy identification and you can easily use the pneumatic throttle valve 2、Has the characteristics of compression resistance, corrosion resistance, stable performance, and can accurately control the flowing rate 3、With practical and convenient features, the oval release hoop is adopted, which makes the disassembly more labor saving and easy 4、After careful polishing, the pneumatic throttle valve has glossy edges, so you don't have to worry about scratching your hands during use 5、Can be used after the trachea is inserted, and the airtightness is good. Easy to operate, you can use the pneumatic throttle valve with confidence Specification Item Type: Pneumatic Throttle Valve Material:PVC Model: SU Pressure Resistance Range: 1.0～1.2MPa Medium: Gas Purpose: To Control Fluid Flowing by Changing the Throttle Section or Throttle Length Applicable Scene: Automation Equipment Package List 5 x Pneumatic Throttle Valve