Sprayway S-40 glass cleaner is ideal for cleaning surface glass on screen exposure units and computer scanner glass.  S-40 can also be used safely on many other surfaces including copy boards, lenses, and stripping tables. S-40 glass cleaner was formulated with anti-static components that will leave no streaks, scratches, or residue and it contains no ammonia. Packaged in 15 oz. aerosol containers, 12 cans per case and sold individually or by the case.