Manning 275 Ft. Coverage Underground ExterminatorUnderground exterminator. Provides immediate results using pressurized car exhaust. Kills underground rodents painlessly in 15 to 30 minutes. 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 within 275 feet, killing more than 1 at a time.