Brake hose
Brake hose means a flexible conduit, other than a vacuum tubing connector, manufactured for use in a brake system to transmit or contain the fluid pressure or vacuum used to apply force to a vehicle's brakes. For hose, a dimensional description such as 1/4-inch hose refers to the nominal inside diameter. For tubing, a dimensional description such as 1/4-in tubing refers to the nominal outside diameter.