![147](https://img.feedandgrain.com/files/base/wattglobalmedia/all/image/2020/09/fg.147.png?auto=format%2Ccompress&q=70&w=400)
- Retrofittable aeration system
- Features a unique collapsing design, allowing it to move into a bin through an opening seven times smaller in size than itself
- Fits through roundopenings as small as 22-inches in diameter, square openings with 19-inch sides, or elliptical openings that measure 19-inches by 16-inches
- Can be separated into three sections to be moved through a circular opening measuring 16-inches in diameter, or through a square opening with 12-inch sides