Amazon.com: DIGITEN Digital Humidity Controller Humidistat Pre-Wired Plug Simple-Stage AC 110V -240V with High Accuracy Humidity Sensor for Dehumidifier Humidifier Reptiles Greenhouse Exhaust Fan Fermentation : Appliances
humidity controller for humidifier-dehumidifier - Growlet
TrolMaster Day/Night Digital Humidity Controller (BETA-6)
Plug & Play Digital Humidity Controller Dehumidifier or Humidifier for Greenhouse Pet Animal Attic