The Cubitainer 5L is designed in full compliance with the revised MARPOL 73/78 Annex VI. In regard with drawing primary fuel oil samples, Martechnic®’s cubitainers are attached directly to manual-valve drip sampler and secured by means of uniquely numbered seal strip (threaded through the fitted holes on drip sampler and on cubitainer’s cap). This provides effective protection from tampering throughout the entire bunkering process.