Glass Cleaner Concentrate PROKLEAR GCC is a hyper concentrated glass cleaner concentrate . Is free of ammonia, voc's or other harsh chemicals. Water based safe on glass, paint, rubber etc. Removes dirt, grime, road film, bird dropping with ease. Hyper concentrated can be diluted 1:100 highly economical and value for money. Can be used to clean glass & mirrors. Cleans streak free , anti static action repels dust ensures glass clean for longer .