Get better volume control and adjust automatically to high risk air.
Have you done any work on the CR Box frame idea? In addition to making it easier to swap filters, I'm interested in something that looks more like a piece of furniture than a middle school STEM project. Thanks!
Have you done any work on the CR Box frame idea? In addition to making it easier to swap filters, I'm interested in something that looks more like a piece of furniture than a middle school STEM project. Thanks!