This feeder is extemely easy to fill and maintain.  Everything comes in the box, as displayed: feeder, baffle, tray, pole and base.  Fill the base with sand (up to 30 pounds) or kitty litter so it stays where you want it.  The feeder easily slides up and down the center pole for easy filling and cleaning. The approximate overall height is 80 inches.  Come in the store, we'll demonstrate the ease of maintaining this feeder.