Watts FluidAir F901-12STG-375-A Pneumatic Oil Filter

The Watts FluidAir F901-12STG-375-A is a high-efficiency coalescing pneumatic oil filter that removes oil aerosols, liquid moisture, and fine particulates from compressed air in inline systems. Manufactured by Watts FluidAir and housed in a heavy-duty industrial filter housing, it is designed for inline installation in compressed air treatment networks across manufacturing facilities, pneumatic control systems, instrumentation air lines, packaging machinery, and other industrial automation environments. The unit handles up to 375 SCFM with a maximum working pressure of 250 PSI and a maximum operating temperature of 150°F (66°C). Its high-efficiency coalescing media targets oil carryover, moisture, and fine contaminants to protect downstream components such as regulators, valves, cylinders, actuators, and instrumentation devices. This OEM replacement part supports preventive and corrective maintenance for industrial air preparation and instrument air systems, and it is manufactured in the USA. Common replacements include Watts FluidAir F901-12STG-375-B, F901-12STG-375-C, and F901-12STG-375-H.