Air Stacks & Air Spears
- Low cost system for aeration and cooling of bulk grain.
- Special louvred galvanised steel with large free area.
- Range of portable centrifugal fans available – see table below for recommended size.
- Airspear is 100mm dia x 2.4m long with perforated mesh bottom section and screw flight to aid penetration into grain. Seperate fan locks into top of tube.