Open Top Vertical Batch Tanks are designed for indoor applications. Perfect for small batch chemical/mixer mounting systems as well as many other applications. Both polyethylene and metal stands (when used with Vertical Stand Adaptor) are available. Open Top Batch Tanks come standard with a drain fitting and bolt-on lid; a polyethylene hinged lid option is also available. Tanks are manufactured from medium-density polyethylene with U.V. inhibitors and are designed for the containment of liquids up to 2.0 specific gravity. Tank walls are translucent for level viewing and equipped with liter and gallon indicators.