Active Air Hygro-Thermometer
$21.55
Shipping calculated at checkout.
Keep tabs on the temperature and humidity in your mushroom grow with this 2-in-1 hygro-thermometer from Active Air.
![Active Air indoor-outdoor hygro-thermometer with max/min display packaging, transparent background](http://redwoodmushroomsupply.com/cdn/shop/files/Hydrofarm_Active-Air-2-in-1-Hygrometer_RMS_1.png?v=1709142127&width=1445)
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