Arrow PneumaticsThis breather vent has many applications, including vacuum relief or pressure equalization on gear boxes, oil tanks or reservoirs. Common uses can be found on single acting cylinders or valves to prevent dirt and foreign particles from entering ports open to the atmosphere. Nickel plated steel insert. Standard pipe thread fitting for quick assembly and removal for cleaning. Filter element rated for 40 micron filtration.Size (NPT): 1/4 inOverall Length: 5/8 inHex: 9/16 inWeight: .02 lbsMax Operating Pressure: 150 PSIOperating Temperatures: 35°F to 300°F