600 and 610 Series

2 micron 0.063" dia., 1 µL Volume, Pack of 5, goes with 620-0003 Inlet filter housing.

If you see more back pressure than you expected, then you may try:

620-001-2-2 (Option: Straight Thru) replacing this Inlet filter and connect with 850-1015, 2 micron Precolumn Filter Assembly (Option: Halo compatible) for the less dispersion achieved by the unique clean flow pass design.