A long time favorite of the glass industry low-ammoniated formula crl 1973 glass cleaner , a long time favorite of crl customers, is a low ammoniated glass cleaner that is now packaged in a new, easier-to-handle 19 fluid ounce (539 gram) can. The same effective cleaning agents and pleasant aroma remain, with the added feature of Spray way logo, so your customers will be able to identify with the quality of this product. Net weight : 19 oz. (539 g) ship via: Hazardous material - no air shipments *****warning *****warning *****warning *****warning *****warning *****warning product cannot ship via any type of air transport, including ups next day air, ups 2nd day air, ups 3 day select, federal express, priority mail, etc. This product must ship via ground transportation only .