WIN-HA-III+ Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: WIN-HA-III+ MANUFACTURER: Winland Product Details Electronic Humid Alert Sensor (5-95% R.H.) [For use with EnviroAlert® products only] Product Details Back Product DetailsElectronic Humid Alert Sensor (5-95% R.H.) [For use with EnviroAlert® products only]