Precision Metering Lubrication System, Lubrication Type Oil, Reservoir Capacity 1 qt, Number of Feeds 4, Output Volume - Maximum 0.01 cu in, Connection Size 1/8 in, Connection Type NPT, Discharge Pressure - Maximum 300 psi, Pump Ratio 9:0, Includes Timer, Mounting Type NEMA Box, Air Intake Connection Size 1/8 in, Air Intake Connection Type NPT, Air Intake Pressure - Maximum 125 psig, Air Intake Pressure - Minimum 25 psig, Body Material Aluminum, Brass, Steel, Transparent Polymer