Diversey Suma Freezer Cleaner D2.9 is a ready-to-use floor cleaner for cold rooms and freezers. It allows you to clean freezer floors without defrosting the freezer. Cleaner works down to negative 20 degrees Fahrenheit (negative 29 degrees Celsius). Versatile, phosphate-free cleaner is simple to use and leaves no residue. It is blue in color with no fragrance added. Kosher cleaner is also NSF A5 registered.