Dixon ASP-3BV Nickel Plated Steel Air Hose Fitting, Breather Vent, 3/8" NPT Male, 3/4" Length Breather vent for preventing foreign particles from entering the system Connects to a female NPT threaded connection Nickel-plated steel for better weldability and increased rust resistance than unplated wrought iron Maximum operating pressure of 150 psi (10.20 bar) in a temperature range of +35 to +300 degrees F (+1.67 to +148.89 degrees C) Bronze filter element rated for 40 micron filtration