This is for 610-PO60-CS and 600-PO60-CS.

This is the alternative option for 600-0125-10, 600-0188-10 or 600-0188-20 and with 10-32, 1/16" OD CPI port

Straight Thru Hole, No Filter, 1 µL Volume, Pack of 5, goes with 610-4025 for 610 series and 600-0001 for 600 series Inlet filter housings.

If you see more back pressure than you expected with 610-PO30-CS, 610-PO40-CS and 600-PO30-CS, 600-PO40-CS, then we may try this. 

Notes: If you have 610-PO60-CS-1 with 5/16-24, 1/8" OD CPI port, then you need to order 610-4030 to go with 610-4025-1 housing.  If you have 610-PO60-CS-2 with 1/4-28 flat bottom for 1/8" OD tubing, then you need to order 610-4030 to go with 610-4025-2 housing.