Designed to mount on top of our standard 30- and 45-gallon (114- and 170-L) safety cabinets, these Piggyback cabinets create a safe storage space without taking up any valuable floor space. Cabinets can also be used independently as a wall-mount unit or on a countertop.ChemCor® thermoplastic coating on all interior surfaces provides superior protection against corrosion from drips and off-gassing from harsh chemicals. Seam-free surface eliminates the need for rivets or fasteners which risk corro