








🌬️ Quiet power that keeps your space fresh and your gear cool—because silence is the new luxury.
The AC Infinity CLOUDLINE S4 is a 4-inch inline duct fan engineered for professional-grade ventilation. Delivering 205 CFM airflow at an ultra-quiet 28 dBA noise level, it features an energy-efficient 24W EC motor with PWM speed control for precise airflow management. Built with durable dual ball bearings and IP44-rated protection, it’s perfect for grow tents, AV racks, and desktop cooling. The fan comes as a complete kit with all necessary hardware and is compatible with smart controllers for next-level environmental control.



















| ASIN | B07JB292JC |
| Air Flow Capacity | 205 Cubic Feet Per Minute |
| Best Sellers Rank | #77,449 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #111 in Household Ventilation Fans |
| Blade Length | 7.4 Inches |
| Blade Material | Plastic |
| Brand | AC Infinity |
| Brand Name | AC Infinity |
| Color | Black |
| Colour | Black |
| Control Method | Push Button |
| Controller Type | Button Control |
| Customer Reviews | 4.7 out of 5 stars 9,581 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 | 17.6D x 30.3W x 18.8H centimeters |
| Item height | 30 centimeters |
| Manufacturer | AC Infinity |
| Material | Tin, Pe |
| 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 | 10 |
| Number of Speeds | 8 |
| Power Source | Power Adapter |
| Power source | Power Adapter |
| Product dimensions | 17.6D x 30.3W x 18.8H centimeters |
| Recommended Uses For Product | Cooling |
| Room Type | Kitchen |
| Special Features | High Velocity, Waterproof |
| Speed | 2800 RPM |
| Standby Power Shutoff | High |
| Style | Industrial |
| UPC | 819137020290 |
| Unit Count | 1 Count |
| Voltage | 240 Volts |
| Wattage | 21 watts |
C**D
Good quality. Very quiet.
Good quality. Very quiet.
TrustPilot
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