Description
🌪️ AC Infinity CLOUDLINE A4 – Quiet 4” Inline Fan with Manual Speed Controller
Premium Ventilation. Affordable Power. Whisper Quiet.
Stay cool, silent, and in control with the AC Infinity CLOUDLINE A4, a compact but mighty 4-inch inline duct fan ideal for hydroponic grow tents, rooms, AV closets, and more. With its ultra-quiet EC motor, energy-efficient performance, and intuitive 10-speed controller, this fan delivers professional-grade results without breaking the bank.
Part of the acclaimed CLOUDLINE Series, the A4 brings flagship quality in a value-packed design — engineered to meet the needs of growers, tech enthusiasts, and indoor climate controllers.
🧩 Top Features & Benefits
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Engineered for Grow Spaces & AV Cooling 🌱🎛️
Designed to ventilate grow tents, control odours, exhaust heat, and balance airflow in enclosed spaces. -
10-Speed Manual Controller 🎚️
Precisely dial in your airflow for noise-sensitive environments with intuitive manual control — includes power memory backup. -
Ultra Quiet & Energy Efficient 🔇⚡
The advanced EC motor with PWM technology delivers whisper-quiet operation (only 29 dBA!) with low energy consumption. -
Premium CLOUDLINE Build 🔧
Same internal tech and build quality as the flagship CLOUDLINE T-Series — re-engineered into an ultra-affordable package. -
Mount Anywhere, Maintain Easily 🔄
Dual ball bearings rated for 67,000 hours allow vertical or horizontal mounting, and the motor detaches for simple cleaning.
📏 Tech Specs
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Duct Size: 4"
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Airflow: 165 CFM
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Noise Level: 29 dBA
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Max Speed: 2800 RPM
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Static Pressure: 324 Pa
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Voltage: 100–240V AC
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Power Draw: Max 35W / Avg. 18W
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Operating Humidity: 35–85% RH
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Ingress Protection: IP44
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Cord Lengths: 6 feet to controller and plug
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Mounting Options: Horizontal / Vertical
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Unit Dimensions: 7.48 x 11.89 x 6.93 in
💡 Ideal Applications
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Small to medium grow tents and grow rooms
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Climate control in AV closets and server racks
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Odour and heat exhaust for indoor environments
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General airflow improvement in bathrooms, attics, or enclosed spaces
📦 What’s in the Box?
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1 x CLOUDLINE A4 Inline Duct Fan
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1 x 10-Speed Manual Speed Controller
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UIS to 4-Pin Adapter Dongle
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Mounting Hardware + Manual
🔌 Smart Control Ready – UIS™ Compatible
While the A4 includes a manual speed controller, it's also fully compatible with AC Infinity’s smart controllers, including Controller 67, 69, and the T- and B-Series units. Seamlessly integrate with your existing smart setup via the UIS™ platform.