BioWash Pro BioGlass Glass & Window Cleaner is a SAFE All-purpose solution that is water based, biodegradable and environmentally responsible with a zero rating in the three NFPA categories of Health, flammability and reactivity when diluted. BioWash Pro BioGlass Glass & Window Cleaner is the perfect material for the window cleaning professional. Removes all kinds of dirt grease and grime from window and glass surfaces. BioWash Pro BioGlass Glass & Window Cleaner is an advanced formula designed for maximum results in minimum time. Super concentrate means you use less chemical. Super effective means you clean better faster. Readily biodegradable surfactants make this a great choice for environmentally sensitive areas.