3M COMPANY M-FL550DD - SORBENT, HIGH-CAPACITY, FOLDED MAINTENANCE, 10.5GAL CAPACITY, 3/BOX - FOUR SORBENTS IN ONE. IT CAN BE USED AS A BOOM, PILLOW, PAD, OR ROLL, WHICH MEANS YOU STOCK ONE PRODUCT TO MEET YOUR SORBENT NEEDS. PERFORATIONS EVERY 16 INCHES...