TrolMaster Humidistat Station (HS-1） grower's choice 720 Applications are best made in

Applications are best made in late evening or early morning when insects are sedentary and temperatures are moderate and humidity is high

coco coir and all types of media

Perfect for one standard 10 in x 20 in propagation tray

The powerful ROI-E420 LED grow light optimizes plant growth at all stages

Wear resistant shafts and impellers

TrolMaster Humidistat Station (HS-1） grower's choice 720 Applications are best made inThe HS 1 from TrolMaster is used to control commercial dehumidifiers. Most larger commercial dehumidifiers have a low volt control option so the dehumidifier can be controlled by an external humidistat. The HS 1 works and is wired exactly like an external humidistat. The HS 1 is the best way to control your dehumidifiers by eliminating the need to control the high amperage inrush current associated with dehumidifiers.