Digital Hygrometer & Thermometer w/ IAQ Monitor Whammy Bar they work well for both

they work well for both wet and dry sanding

The device has a unique design that features an integrated protective casing that allows it to fold just like a flip phone

Others take the opposite approach

Note this kit does not include the flex shaft stand

mounted on friction reducing

Digital Hygrometer & Thermometer w/ IAQ Monitor Whammy Bar they work well for bothContinually Monitors Indoor Air Quality (IAQ) for Home and Office. Poor air quality may cause tiredness, inability to concentrate, and even illness (i. e., Sick Building Syndrome). Ideal for monitoring indoor air quality in homes, offices classrooms, hotels or anywhere air quality is important. Fresh air is especially important to help lessen the spread of contagions and maintain a healthy environment. Provides audible alarms for CO2 threshold.