Weber grate cleaner trigger spray bottle. USDA (United States Department of Agriculture) approved formulation provides a simple, safe and powerful alternative to cleaning grill's cooking surface, as well as other grease spattered areas. Certified nontoxic; contains no phenols, no phosphates, no solvents, no acids, no caustics, and no known or suspected carcinogens. Surpassed international standards of biodegradability. Spray on and let sit a minute, and then scrub off.