No-rinse cleaner can be used in automatic scrubber or with mop to clean washable hard floors. Will not dull or damage floor finishes. Authorized by USDA for use in federally inspected meat and poultry processing plants. USDA rating: C-1; for use on all surfaces in inedible product processing areas. Green Seal Certifiexd. 207 RTU gallons per bottle. 6 2-liter bottles per box.