Professional Humidistat

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Powered by Mushroom Mycelium™ - NO FILLERS!

A ‘filler’ is an additive, or an ingredient that either serves to add bulk or weight to the end product, but that has no discernible health benefit. There are no ‘fillers’ used in Host Defense products. Rather, both the mushroom mycelium and the fermented rice substrate in our supplements have been researched, tested, and shown to offer health-supporting benefits.*

This is a heavy-duty, highly accurate device for controlling humidity in the growing environment. Because this unit keys off of relative humidity (rH), the ESHSP requires a more intensive initial setup than the ESHS; the unit must be initially calibrated to precise ambient humidity using a highly accurate tool such as our Digital Psychrometer. Once calibrated, the ESHSP provides superior control over humidity with an incredible accuracy of ± 1%, in optimal operating range of 20–95% rH. Unlike the ESHS which must be situated in an air duct for maximum accuracy, the ESHSP can be placed nearly anywhere in the grow room. Encased in a durable metal housing, these units have been known to operate for over 20 years in extreme conditions without failing! Comes ready to wire with built-in wall-mountable junction box. Rated at 10 amps.

Please note: Due to the high value of this item, we must perform additional checks before processing payment. Once your order is submitted, we will reach out in 1–2 business days with a specialized quote.