(Farnam) The Bio Spot Room Fogger kills fleas, flea eggs, ticks, spiders, ants and cockroaches. One 3 oz. fogger treats up to 3,000 cubic feet. Do not use more than one fogger per room. Vacate building when in use, and ventilate for 30 minutes before re-entry. Bio Spot Room Fogger contains Skyllstop permethrin formula.