Commercial strength but also makes a great economical household sanitizer. One bottle makes 150 gallons of Quaternary solution. Odor Free, non corrosive, does not irritate the skin. May also be applied with a clean cloth or sponge. Works great in Kitchens & Bathrooms. Can be sprayed on food processing equipment, sinks, countertops, cabinets, refrigerators, stovetops, cutting boards, and all other non-porous articles and surfaces.