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💨 Quiet power, total control—breathe smarter, live better.
The AC Infinity CLOUDLINE S4 is a 4-inch inline duct fan engineered for ultra-quiet, energy-efficient ventilation. With a robust 205 CFM airflow and an 8-speed PWM controller, it offers precise air circulation for grow tents, cooling AV equipment, or boosting heating/cooling systems. Its mixed flow EC motor ensures whisper-quiet operation at just 28 dBA, while the included installation kit makes setup effortless. Ideal for professionals seeking reliable, customizable airflow solutions with minimal noise disruption.
















| ASIN | B07JB292JC |
| Air Flow Capacity | 205 Cubic Feet Per Minute |
| Best Sellers Rank | 22,470 in Garden ( See Top 100 in Garden ) 6 in Hydroponic Ventilation Equipment |
| Blade Length | 7.4 Inches |
| Blade Material | Plastic |
| Brand | AC Infinity |
| Brand Name | AC Infinity |
| Collection Name | Channel Fans |
| Colour | Blackone |
| Control Method | Push Button |
| Controller Type | manual |
| Country of Origin | China |
| Customer Reviews | 4.7 out of 5 stars 3,902 Reviews |
| Electric Fan Design | Exhaust Fan |
| Electric fan design | Exhaust Fan |
| Finish Type | Powder Coated |
| Global Trade Identification Number | 00819137020290 |
| Included Components | Cord |
| Indoor Outdoor Usage | Indoor |
| Is Product Cordless | No |
| Item Dimensions D x W x H | 17.5D x 18.8W x 30.2H centimetres |
| Item Weight | 2.61 Kilograms |
| Manufacturer | AC Infinity |
| Material | Polycarbonate |
| Model Name | CLOUDLINE S4 |
| Model Number | CLOUDLINE S4 |
| Mounting Type | Wall Mount/Ceiling Mount |
| Noise Level | 28 Decibels |
| Number of Blades | 10 |
| Number of Power Levels | 8 |
| Number of Speeds | 8 |
| Power Source | Power Adapter |
| Power source | Power Adapter |
| Product dimensions | 17.5D x 18.8W x 30.2H centimetres |
| Recommended Uses For Product | Air Circulation, Cooling, Exhausting |
| Room Type | Kitchen |
| Special Features | High Velocity, Waterproof |
| Speed | 2800 RPM |
| Standby Power Shutoff | Alta eficiência |
| Style | Industrial |
| UPC | 819137020290 |
| Unit Count | 1.0 count |
| Voltage | 240 Volts |
| Wattage | 21 watts |
0**E
Amazing!
Brought it to attach to my Glowforge exhaust ducting. It is such an improvement on the noise level previously. I’ve mounted it on the wall, and that was easy enough to manage too. Would recommend it to anyone wanting something for a similar reason.
W**D
Ac
Works well
P**.
working well and quiet
very happy with this extractor so far working well and quiet ..
D**N
fantastic
fantastic product,exactly what i ordered
D**D
Fast and almost silent ❤
It does its job, obviously full speed it sounds like a turbo slightly but if you run it a few notices under full power then it's almost silent, I would reccomend this to anyone! Perfect buy, easy to install and away you go!
L**.
Quality fan
Not as quiet as made out to be 35db at half power but is quieter then cheaper fans but the overall design and finish is miles better than my old fan
N**D
Wind blaster
Realy good ......does a good job realy pleased..for the prices well made 10 out of ten
R**B
Quite fan
Extremely quiet on the lower setting. A bit more expensive than normal inline fans, but if you want piece and quiet it could be worth the investment
TrustPilot
2 个月前
1天前