NUC4127-75, Nu-Calgon,

Blackhawk is an expanding foam coil cleaner formulated to deeply penetrate the coil. It liquefies to quickly remove grease, grime, or oily soils from deep within the coil. Blackhawk’s formulation is safe and problem-free for cleaning evaporator or condenser coils in an occupied building; produces no objectional fumes. It is particularly effective on coils on refrigerators, coolers, and freezers located in restaurants and other commercial establishments. NSF registered. Can be used with Talon Flexible Aerosol Wand (4776-0) for hard to reach locations.