The Diggers Methylated Spirits 4L is a heavy-duty disinfectant/hard surface cleaner, used for cleaning glass, mirrors and showers. It's also used for thinning paints and varnishes, as well as for cleaning paintbrushes. Used primarily as a vehicle fuel or as a solvent, this methylated spirit is perfect for its intended use. The spirits are diluted and then used as window and floor cleaners, but can also be used to clean glass, chrome and other smooth surfaces.