Perfect Fit refrigeration, heater hose, and drain lines look like this prior to installation. Refrigeration lines are at 9 and 3 o’clock. Heater hose connections are at 12 and 6 o’clock. Evaporator drain line is at 5 o’clock. You can use the clear hose provided or you can also use a ’67-’73 factory in-dash evaporator drain hose with a spring clamp.