Cymex is for commercial & residential use - it is a borate liquid product that provides a contact kill for bed bugs, fleas, dust mites, carpet beetles and household fungus.The product provides residual protection against fleas, carpet beetles, household fungus, and dust mites. It is non foaming and has no odor. It is considered a "green" product due to the low toxicity. Great for use in hotels, homes, hospitals, apartments, schools, restaurants, markets, warehouses, offices and trains.