DescriptionThis item is an air compressor air pressure regulator. Adopting polycarbonate and coppermaterial, which lets you use it for a very long time. Though it is simple in design, it's so practical when you use it. Light weight, small size, easy installation and maintenance.Features-Color:As Shown -Material:Polycarbonate, copper -Size:10.00X4.00X4.00cm/3.93X1.57X1.57in -No matter the size of the inlet pressure and flow fluctuations, always maintain a stable outlet pressure.-The polycarbonate andcopper filter design provide higher efficient filtration and long lifetime than the fiber one.-The air compressor regulator with gauge has practical functions, can filter small particles, keep the air cleaning.-Manual control, easy to install and remove, good sealing, no penetration, no air leakage.-Filter moisture and fine particles to obtain clean, dry air and prevent damage to pneumatic tools and pneumatic equipment.