With the bio-chem window cleaner concentrate, you can quickly clean and leave a sparkling shine on your glass panes. The specially developed concentrate is perfect for use with a window vacuum or window cleaner. However, it can also be easily applied manually with a window squeegee or window scraper. Your neighbors will envy your streak-free and brilliantly clean windows! Gentle on materials and easy to use The mild and highly effective formula is ideal for all waterproof and smooth surfaces. You can safely clean your windows, window frames, glass roofs, mirrors, and much more from dirt such as grease, dust, insect residues, or fingerprints. Thanks to the included practical measuring cup, you can easily dose the product according to the level of soiling. With this concentrate, you get an affordable and high-quality alternative to traditional window cleaners.