Seller: nj18roo (46) 100%, Location: Riverton, New Jersey, Ships to: US, Item: 162295765456 This is a never-used Plant Nurse Air Machine. It is model number 300. Still in box--Though the box has tear on back and some stains--see pics. Electrically Operated Air Pump for Aerating the Roots of Plant Life Flower Pot Aerator Box claims that the plant nurse air machine provides proper balance of air and water and protects against overwatering. Condition: Item has never used. However, the box has a tear on back and some stains. The cellophane window of the box is torn. See pics.