Immediate results using pressurized car exhaust induces unconsciousness, which goes to the rodents, who must breathe, killing them painlessly, in 15 to 30 mins. Adapter connects exhaust pipe to garden hose and into lawn or ground outside home. Kills moles, gophers, voles, rats, mice, chipmunks, woodchucks, ground squirrels, groundhogs, prairie dogs, armadillos, Skunks, snakes and muskrats. Effective control on all rodents up to 275 ft, killing more than one at a time. No need to dispose of dead animals. No poison to harm children or pets.