Analog Oil Meter For Use With Anti-Freeze Motor Oils Compatible Chemicals Antifreeze Diesel Motor Oils Transmission Fluids Includes 1/2 in Male x 1/2 in Female Swivel Max Operating Pressure 1 000 psi Nozzle Material Steel Spout Discharge Size 1/2 in Spout Length 5 1/4 in Inlet Type NPTF Inlet Size 1/2 in Nozzle Operation Manual Metered Yes For Media Type Antifreeze Diesel Motor Oils Transmission Fluid Cover Color Not Applicable Flow Rate - Maximum 4 gpm