Designed for quick and easy emptying of 2, 5, 25L drums. MAde of polyethylene and PVC. Can be used with most fuels, mild acids, light oils, water-based fluids, and other materials which are not corrosive to polyethylene and PVC. Not to be used with lacquer thinners. Siphons to lower level or pumps to higher level with siphon being controlled by air vent on top. Perfect application for race fuel and water alcohol injection refilling without any mess.