Check the listing for details. 3/4" INDUSTRIAL IN LINE COMPRESSOR AIR MOISTURE WATER TRAP FILTER, AUTO DRAIN. Condition: New. Listed at 88.77 USD. INDUSTRIAL GRADE COMPRESSED AIR IN-LINE PARTICULATE FILTER / WATER TRAP FOR COMPRESSED AIR SYSTEMS AND AIR COMPRESSORS. 175 PSI MAX INPUT AND OUTPUT PRESSURE160 CFM FLOW RATE 5 MICRON ELEMENT REMOVES 95% OF MOISTURE FROM COMPRESSED AIR LINES. REPLACEMENT ELEMENTS AVAILABLE IN OUR EBAY STORE, EBAY ITEM CODE 200973807191. 3/4" FEMALE NPT INLET X 3/4" FEMALE NPT OUTLET. PLEASE NOTE IF DETERMINING YOUR NPT THREAD SIZE WITH A TAPE MEASURE, RULER OR CALIPER. 3/4" NPT MEASURES 1.05" OUTSIDE THREAD DIAMETER IN INCHES. EQUIPPED WITH 11oz METAL BOWL AND VISIBLE SIGHT GLASS. THIS UNIT ALSO COMES WITH INTERNAL FLOAT DRAIN / AUTOMATIC DRAIN LOCATED AT THE BOTTOM OF THE 11oz BOWL. AUTO DRAIN HAS 1/8" MALE NPT THREADS. METAL WALL MOUNTING BRACKET INCLUDED OPERATION INSTRUCTIONS INCLUDED Compressed air filters protect your equipment from dust, dirt, oil and water. Dust will wear down your equipment (like the air motor in grinders, pneumatic actuators and it can make pneumatic control valves get stuck.Especially when the dirt and dust is combined with oil (which is often the case with compressors), a sticky mess can form inside valves, motors and other compressed air equipment.