Photo: Collected
Here is another version of the Mini Corsi-Rosenthal Box. It takes about 10 minutes to build. It has a small "footprint". It is quiet -just 19 dBa. And the fans are rated at 104 cfm. Perfect for an office, bedroom, examining room, or any other critical space where two or more people are in close contact. Many people have had trouble finding 9-inch or 10-inch box fans for the original mini CR box. This is a great alternative at a reasonable price.
Here is how to make it:
More about the modular 2 PC fan system. It has a USB port so the system can be used in an automobile, high occupancy vehicle, or connected to a battery. It also has a turbo adapter so that it can be used in all standard wall plugs. Energy usage is 4-5 Watts. Plus it comes as one finished, modular unit - no assembly required.
That's it. Simple to build, inexpensive, quiet, minimal space usage, energy efficient and effective. I am a firm believer that this is an excellent air cleaner. We have one running in our bedroom. It works! See details.
Source: Online/NAN
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