Motor Guard DD1008-2 Mini Desiccant Filter, 2-Pack Pipe Size is 1/4 NPT, Nominal Airflow is 20 CFM, Filtration Rating is 5 Micron, Maximum Pressure is 125 PSI and the Temperature Range is 32-130 F Blister Card of 2 Filters This filter is the only in-line disposable filter that features a color change indicator, signaling time to change the filter Attaching directly to the spray gun the Motor Guard Mini Desiccant Dryer removes all traces of water vapor, aerosols and dirt Made in USA