The lubricator has a maximum pressure rating of 145-PSI and a flow rating of 80-CFM at 100-PSI.The Primefit L3802 3/8" Micro Fog Air Lubricator is ideal for air systems containing one or more points of lubrication, cylinders and air tools. 3/8" Air Lubricator The L3802 features 3/8" NPT ports and comes with 3/8"to 1/4" reducers for 1/4" air systems. The micro fog lubricator applies a fine mist of lubrication that is delivered downstream to required components.