Diversey Suma Grill Hi-Temp D9.8 oven and grill cleaner 2L is a powerful, alkaline cleaner for heavily soiled ovens, grills and baking trays. The highly concentrated formula has been specially developed to loosen baked-on grease, protein residues and charred deposits, even at high temperatures. Suma Grill Hi-Temp can be applied directly to hot surfaces, reducing soaking time and scrubbing. This makes the product ideal for professional kitchens that need to clean quickly and thoroughly between busy service periods.