![SI Single Impact Air Knocker](https://img.wattagnet.com/files/base/wattglobalmedia/all/image/2021/06/fg.SI-Single-Impact-Air-Knocker_2021-06-10-204854.jpg?auto=format%2Ccompress&q=70&w=400)
- Helps with bin and hopper clean out of sticky materials that tend to pack under continuous vibration, such as DDG
- Delivers low frequency knocks, like dead blow hammer, but without damage to people or equipment
- Controlled by five-port spool valve with solenoid
- Comes equipped with mounting fasteners and gasket for quick set up