This sample pack contains our most used commercial kitchen cleaning items, other than used for hood cleaning, for you to try out. 1 gallon each of Oven & Grill, Ceramic Tile & Grout, Mighty Max and Natures Green. Oven & Grill can be used to clean flat top grills, inside ovens and even for spot cleaning hoods between a major cleaning, the Mighty Max to clean aluminum filters and the outsides of stainless appliances and the Natures Green to clean any of the other kitchen items. These are gallons of the same products we carry separately in gallons and larger sizes so the products are concentrated and dilution ratios are the same if purchased individually. Packs contain no more than 2 gallons of hazardous materials to be able to ship as Limited Quantity. This pack of four is a at a slight discount then if purchased separately.