High Humidity Replacement SensorHigh Humidity Replacement Sensor Enviro & IHC The GSE High Humidity Replacement Sensor (Enviro & IHC) was sourced from the mushroom growing industry for its premium quality and ability to withstand high humidity environments. The technology in the previous generation of GSE Probes was prone to failure in high humidity grow rooms. This new generation has been improved substantially and adapted to withstand consistent high humidity, including periods of