Rectangular Air Pad requires minimal maintenance.
Press Release Summary:

Original Press Release:
Effective Bin Aeration
ELBURN, IL - The Monitor rectangular air pad is used to promote the flow of dry bulk powders in a storage vessel. By continuously introducing air into the body of a dry powder, the air pad is able to maintain the fluid like characteristic of aerated powder.
The Rectangular-style air pad features an effective radius of 10 inches and is available at a low cost. Other features include easy installation and minimal maintenance. The air pad also has the ability to adapt to almost any bin configuration.
An external mounting kit is available. This kit can completely eliminate the need to enter the bin to install or service air pad bin aerators. Monitor's air pad and external mounting kit can easily install in existing cutouts of other brands.
Monitor's air pad is designed for many dry powder applications including cement, resins, and carbon black.