The Hoke F4B 1/4" npt brass in-line filter 40-55 micron 3000PSI is a filter/regulator from Hoke. It conditions compressed air or hydraulic fluid by removing contaminants, adding lubrication, or regulating pressure to protect downstream components. Key specifications noted on this listing include 3000PSI, Npt. It is commonly used in industrial compressed air and fluid-conditioning systems.
