- Gutter Zap Environmentally Safe Black Streak Commercial is a 32 fl oz. (1 Quart) cleaning solution designed to effectively remove black streaks and stains from gutters while being environmentally safeRemoves heavy soils, dirt and other industrial stains.
- Enhanced with butyl for heavy duty cleaning and carbon soot removal.
- Contains special sheeting agents for easier rinsing.
- Enhanced with sodium hydroxide for quick removal of grease and oil.
- Environmentally Safe