Sentinel - CO2 & Temp Controller / Day & Night settings
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The CTC-1 is a CO2 Part Per Million (PPM) meter & controller, with built-in digital temperature c...
Price: $599.95
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Sentinel - Master Digital Timer / Controls HID lights and hydroponic pumps
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The MDT-1 combines the function of the DRT-1 with the ability to control the photo period of your...
Price: $199.95
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Universal Temperature Controllser / Day & Night Temp Settings by Sentinel
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The UTC-1 “Universal Temperature Controller” solves that and other problems while taking temperat...
Price: $174.95
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