Prep Inlet Filter for 691/690-PO50 and 692-PO50 Series

20 micron x .188" dia., 12 µL Volume and with 10-32, 1/16" OD CPI port

We don't sell the replacement filter alone. 

If you see more back pressure than you expected, then we may try 690-23-0000-00 Straight thru fitting assembly.