CLOUDLINE Series Intelligent Precision Ventilation Reimagined for those on a budget but want the quintessential CLOUDLINE experience. Engineered with quiet and energy-efficient performance that rivals that of the CLOUDLINE PRO but in a value package. Easy Environmental Automation Innovative Ventilation Connect this duct fan to CONTROLLER 69 or later (sold separately) and download the AC Infinity app to access custom activation using climate triggers, grow cycles, scheduling, and automation programming. Advance Programming Create automation for your devices to systematically manage your grow tent environment. Set customizable alerts that can trigger to almost any event. Greater Environmental Insight Interactive graph intuitively displays temperature, humidity, and VPD data. Input target figures to help your grow tent approach and maintain your ideal environment. Active Monitoring Stay on top of what's happening in your grow space using alerts and notifications so you can quickly counteract any environmental spikes. Find the best fit for your grow tent. CLOUDLINE A8 Add to Cart CLOUDLINE A4 Add to Cart CLOUDLINE A6 Add to Cart CONTROLLER 69 PRO Add to Cart Customer Reviews 4.6 out of 5 stars 106 4.6 out of 5 stars 410 4.8 out of 5 stars 675 4.5 out of 5 stars 1,161 Price $129.00$129.00 $69.99$69.99 $89.99$89.99 $99.00$99.00 Model AI-CLA8 AI-CLA4 AI-CLA6 CTR69P Duct Opening Size 8" 4" 6" — Airflow 724 CFM 165 CFM 352 CFM — Noise 42 dBA 29 dBA 34 dBA — Power Usage 72 W 18 W 35 W — Smart Programming Precise 10-Level Fan Speeds Precise 10-Level Fan Speeds Precise 10-Level Fan Speeds Temp, Humidity, VPD Triggers EC Motor with PWM-control ✔ ✔ ✔ ✘ Mixed Flow Design ✔ ✔ ✔ ✘ Mounting Hardware ✔ ✔ ✔ ✘ Application HVAC and Growing Applications HVAC and Growing Applications HVAC and Growing Applications —