Fryer Foam Plus (AFCO 6630) is a heavy-duty liquid caustic cleaner designed for fryer cleaning and foam cleaning of food processing equipment. AFCO 6630 is a unique blend of caustic, wetting agents, emulsifiers, and water conditioning agents. It is an excellent choice for removing the heavy build-up of burned-on fatty/oily soils encountered in fryers, smokehouses, and ovens.