17L44BE-A Compressed Air Lubricator, Lubricator Type Micro Mist, Lubricator Bowl Material Zinc, Air Inlet Size 3/4 in, Air Inlet Type NPT, Maximum Flow Rate 90 cfm, Maximum Operating Pressure 250 psi, Maximum Operating Temperature 175 Degrees F, Adjustment Mechanism Knob, Body Material Zinc, Overall Width 3 1/4 in, Sight Dome Included Yes, Sight Gauge Included Yes, Air Outlet Size 3/4 in, Air Outlet Type NPT, Drain Included Yes, Drain Part Compatibility PS829P, Drain Type Manual