Unger Pill Window Cleaning Tablets, 100 Tablets/Pack - UNGPL50One nontoxic, premeasured tablet mixes easily with water to make 2. 5 gallons of window cleaner. Effective yet environmentally friendly. Easily removes smoke and grease without leaving a film. One nontoxic, premeasured tablet mixes easily with water to make 2. 5 gallons of window cleaner. Effective yet environmentally friendly. Easily removes smoke and grease without leaving a film. Application: Glass Cleaner; Applicable Material: Ceramics; Enamel;