Titan Controls® Atlas® 9 - CO2 Controller with Remote Sensor Size:Titan Controls Atlas 9 CO2 Controller w/ Remote Sensor Flanges range in size from

Flanges range in size from 4 in to 20 in depending on your specific needs

Three adjustable switch settings: full

portable way to accurately measure and monitor pH levels in a wide range of media

Supplied with 2x AAA alkaline batteries

Automatic calibration: Auto-ranging to 4

Titan Controls® Atlas® 9 - CO2 Controller with Remote Sensor Size:Titan Controls Atlas 9 CO2 Controller w/ Remote Sensor Flanges range in size fromCompact and easy to use, the Atlas 9 is a grower's dream. The 15 ft remote sensor allows you to measure the CO2 levels of your garden exactly where you need to measure them. Fuzzy logic capabilities allow you to accuratly dose CO2 when using a CO2 regulator. The knob that doubles as a button when pushed lets you easily program this product. Enclosure resists dust, rust and moisture. 10 Amps maximum 120 V 60 Hz.