4ZL63-A Compressed Air Lubricator, Lubricator Type Mist, Lubricator Bowl Material Metal with Sight Glass, Air Inlet Size 1 1/2 in, Air Inlet Type NPT, Maximum Flow Rate 275 cfm, Maximum Operating Pressure 250 psi, Maximum Operating Temperature 175 Degrees F, Adjustment Mechanism Screwdriver, Body Material Aluminum, Overall Width 4 1/2 in, Sight Dome Included Yes, Sight Gauge Included Yes, Adjustment Mechanism Material PE, Air Flow Direction Left to Right, Air Inlet Gender Female