Our very own GBPro Eco Glass Cleaner highly bio-degradable and including natural derived plant extracts ingredients & vegan friendly. The ultimate in a safe and Eco friendly Glass Cleaner with a strong degreasing agent that will remove awindolw film, internal and external - used by the Professionals. This product has natural, eco and toxic free ingredients and concentrated for extra value - safe and effective to use with sceptic tanks with minimum impact on aquatic life.