Water-based Brush Wash works on oil, latex, enamel, varnish, lacquer, shellac & polyurethane. Cleans & reconditions synthetic bristle brushes & roller covers. A safe alternative to toxic solvents; non-flammable, water based, earth friendly formula, no harmful vapors. Quart bottle. For additional information, including MSDS, please go to www.krudkutter.com.