PRODUCT DETAILS
AI-CLT4
AC Infinity Cloudline Pro T4 – 4" Quiet Inline Duct Fan with Smart VPD Controller
Ultra-quiet 205 CFM smart fan — perfect for 2x2 to 3x3 grow tents. Runs as low as 28 dBA with intelligent Temperature, Humidity & VPD control via the included Controller 69 Pro + WiFi app.
Key Features
- Smart Controller 69 Pro – Real-time VPD monitoring, dynamic triggers, timers, schedules & app control
- Ultra-quiet PWM EC motor + mixed-flow design for strong airflow even through filters
- Detachable motor for easy cleaning • Dual ball bearings • Any mounting orientation
- UK plug ready • 2-Year Warranty
Specs
- Duct Size: 4"
- Airflow: 205 CFM
- Noise: 28 dBA
- Static Pressure: 223 Pa
- Power: Max 28W
What's Included
Cloudline Pro T4 fan + Controller 69 Pro with 12ft probe + mounting hardware.
Perfect for grow tent exhaust, carbon filter setups, and balanced ventilation.
Quick Tips
Mount high in the tent • Minimise duct bends • Pair with 4" ducting • Set low baseline speed + smart triggers.
In stock • Discreet next day UK shipping
Shop more AC Infinity EC Fans → View Full AC Infinity Range →
Customer Quote “Super quiet and the VPD controller is brilliant – keeps my tent stable effortlessly.” – UK Buyer
| Product Identification | |
| Manufacturer | AC Infinity Inc. |
| Product Name | CLOUDLINE T4 |
| Product Model | AI-CLT4 |
| UPC Code | 854759004785 |
| Product and Mounting Dimensions - Fan Unit | |
| Duct Size | 4" |
| Total Dimensions | 7.40 x 11.93 x 6.93 in. (18.8 x 30.3 x 17.6 cm) |
| Mounting Hole-To-Hole Distance | 3.15 x 2.36 in. (8.0 x 6.0 cm) |
| Screw Hole Size | Ø 0.197 in. (Ø 0.5 cm) |
| Cord Length to Controller | 120 in. (10 feet) |
| Product and Mounting Dimensions - Controller | |
| Total Dimensions | 5.19 x 2.91 x 1.06 in. (13.2 x 7.4 x 2.7 cm) |
| Hole to Hole Distance | 4.71 x 2.64 in. (12.0 x 6.7 cm) |
| Screw Hole Size | Ø 0.119 in (Ø 0.3 cm) |
| Display Size | 3.5 x 1.4 in. (9 x 3.5 cm) |
| Cord Length to Plug | 96 in. (8 feet) |
| Sensor Probe Length | 144 in. (12 feet) |
| Product Performance and Technical Specs | |
| Total Airflow | 205 CFM |
| Total Noise | 28 dBA |
| Max Speed | 2800 RPM |
| Static Pressure | 223 Pa |
| Voltage | 100-240V AC |
| Frequency | 50/60 Hz |
| Max Power Draw | 28 W |
| Average Power Usage | 21 W |
| Current | 0.4 A |
| Power Connector Type | UK plug |
| Operating Humidity | 35 to 85% RH |
| Operating Temperature | 32 to 140°F |
| Ingress Protection | IP 44 |
| Fan Bearings | Dual Ball |
| Mounting Positions | Horizontal or Vertical |
| L10 Life Expectancy | 67,000 Hours |
| CE Certification (Whole Product) |  PDF |
| ETL Cert. (Whole Product) | PDF |
| RoHS Cert. (Whole Product) | PDF |
| SAA Cert. (Whole Product) | PDF |
| IC Cert. (Whole Product) | PDF |
| Product Manual | |
| Product Manual | PDF |