Breather Pipes with Leakage Checking Device allow ventilation in the containers during mobile container transports of high viscosity liquid. The Breather Pipes are kept close to prevent a leakage of the liquid when the moving container is accelerated, decelerated or turned speedily or overturned. The Breather Pipes consists of a pipe member which is vertically fitted on an opening formed at an upper surface of the container along with another upper part curved downwardly. Sam Electrotech is manufacturing Breather Pipes with Leakage Checking Device.