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Active Air CO2 system with timer .2-2/hour
TNB Naturals The Enhancer CO2 Pack & Refill Combo
AC Infinity Controller AI+ with CO2 Sensor, AI-Powered Learning, CO2 Data Tracking for Optimized FAE, Temp, Humidity, and VPD Monitoring for Dynamic Level Adjusting Bluetooth & WiFi App
AC Infinity CO2 + Light Sensor Exclusively for Controller AI+, CO2 Data Tracking, Optimized FAE, Day & Night Scheduling, Enables Equipment Control Programming
Titan Controls® Atlas® 9 - CO2 Controller with Remote Sensor
Active Air CO2 tubing, 20', drilled