List of materials 1 x Air pressure control valve regulator ★ ★ ★ Product information Material: metal Color: black Size: G1/4air inlet and G1/4 rotating air outlet. Adjustment range: 0-140psi (0-10 bar) ★ ★ ★ Features [Material] Made of high-quality materials, can be used for a long time [Precise air control] The locking air conditioner provides precise control to achieve the best coloring effect [Quick installation] Easy to install and disassemble, easy to use [Easy-to-read barometer] A barometer is included for easy adjustment and reading [Constant pressure] Maintain constant air pressure and operate stably Notice: Please allow 1-3mm difference due to manual measurement. Due to different monitors and different light, the pictures may not show the actual color of the item. Thanks for your understanding