3MRT-4 / T-4 SORBENT MINI BOOM 3" X 4' 1 GALLON Petroleum Sorbent 3M™ Petroleum Sorbents absorb more oil than other leading melt blown sorbents by weight. Because of their high absorption capacity, you won't have to change the sorbent as often, saving you material and labor costs. Available in pads, rolls and booms.