Greif Bros. (Deleware, OH) has a new modular 275-gal IBC suitable for bulk liquids. Measuring 39.37" W, 47.25" L and 49.60" H, the IBC comprises a blow-molded HDPE bottle, wire mesh cage and an attached wooden pallet.
It has a standard 2" ball valve for discharge. The 6"-W opening in the filling port can include an optional 2" opening in the cap for venting. The IBC can be stacked two-high when full and three-high empty.