Air/oil hose assemblies have an oil supply tube running inside the braided air hose. The length indicated is the length of the air hose with the oil tube about 18 inches longer to be fed into the nozzle.
90050
Air/oil hose assembly 12 foot
90051
Air/oil hose assembly 20 foot
90052
Air/oil hose assembly 30 foot
90053
Air/oil hose assembly 45 foot
90054
Air/oil hose assembly 60 foot
O-Ring Part Number: 9490A
Don't forget to order new O-rings, you will need them when installing the oil tube to the Accu-Lube style pump.
Compression Fitting Sleeve Part Number: 9254
If you are replacing the hoses on your brass style pumps you will need new compression fitting sleeve.