Greenhouse controller
The Vent Boss is a 24VDC power supply designed to control two 5A motors for roll up and down walls. It is a great companion for 24VDC motors providing time and labor savings for many growers. For convenience, the Vent Boss has 5A resettable circuit breakers to protect each motor.
from Bartlett Instrument Co.
Hydroponic fertilizer
Ophiopogon
Verbena
Calibrachoa
Video Library 
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