This is the alternative option for 620-23-0125-10, 620-23-0188-10 or 620-23-0188-20 and with 10-32, 1/16" OD CPI port

If you see more back pressure than you expected, then we may try this. 

In general, Straight thru option is for cases where absolute minimum dispersion is required, as the filter can add some amount of dispersion, and also for cases where another inlet filter is installed in line.

Replacement fittings 620-001-2-3 are available.