Humidity fan for basement and radon removal. It is 7 feet tall, mounts on the basement wall and output to a 5 inch vent to outside. It has variable speed fan and humidity sensor control to adjust for how much humidity to remove. The fan shuts off once the humidity drops. For radon, you would let it run continuously 24/7. The height is adjustable to as short as 6 feet by taking the back off , sliding it together and drilling new holes. $200.
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