Electronic Temperature Control - A421abc-02c Kootenay Filter and finally sit down to

and finally sit down to savor the taste and aroma of your latest flowers

Perfect for your indoor garden

Select ingredients have been brewed to create a versatile blend that can be used throughout the vegetative and bloom phases with any nutrient program

3 Year warranty

Like the Dual Series

Electronic Temperature Control - A421abc-02c Kootenay Filter and finally sit down toDirect Replacement To The A419abc 1C The A421 Series Electronic Temperature Controls Are Single Stage Controls With A Single Pole, Double Throw (Spdt) Output Relay. A421 Controls Feature A Bright Backlit Lcd With Adjustable Brightness And A Three Button Touchpad Interface That Can Be Set Up To Restrict User Adjustments. An Led Indicates The Output Relay's On Off Status. Standard A421 Series Control Modules Have Simple On And Off Temperature Settings