AC Infinity RAXIAL S4 4-inch inline booster duct fan
The RAXIAL S4 is a compact 4-inch inline booster fan that adds up to 106 CFM to a duct run. A die-cast unibody housing, balanced steel blades, and dual-ball bearings keep it smooth and quiet at 28 dBA. It draws just 15W at 0.15A on 110-120V. It plugs in on a 6-foot cord. An included speed controller dials the airflow up or down.
Quiet 4-inch duct booster fan for grow tents
Growers add it to a long or lightly restricted duct line to boost intake or transfer air from a primary fan or HVAC. The slim cylinder mounts horizontally or vertically in a tight tent. Dual-ball bearings rated to 67,000 hours keep maintenance low. Use it on open ducts, not directly on a carbon filter or high static-pressure setup. The speed control tunes airflow for seedlings, veg, or bloom. It runs quiet enough for a home grow.
Key Features
- 106 CFM Booster: Adds airflow to intake or transfer duct runs.
- Quiet 28 dBA, 15W: Low-noise, low-power on 110-120V.
- Die-Cast Unibody: Balanced steel blades run smooth and low-vibration.
- Speed Controller Included: Dial airflow for each growth stage.
- Slim, Any-Direction Mount: Fits tight tents horizontally or vertically.
- 67,000-Hour Bearings: Dual-ball for long, low-maintenance life.
Technical Specifications
| Specification | Value |
|---|---|
| Type | Inline booster duct fan |
| Duct Size | 4 in |
| Max Airflow | 106 CFM |
| Noise | 28 dBA |
| Voltage | 110-120V AC |
| Power | 15 W |
| Current | 0.15 A |
| Bearings | Dual ball (67,000-hr L10) |
| Housing | Die-cast unibody |
| Mounting | Horizontal or vertical |
| Best Use | Open/lightly restricted ducts (not carbon filters) |
| Controller | Speed controller included |