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A duct fan designed to boost airflow in HVAC systems and ventilate home spaces like attics and workshops.
Features a variable fan speed controller, enabling you to optimize airflow and noise level for any application.
Unibody die-cast construction with no welded seams; reduces vibration while ensuring smoother airflow.
AC brushless motor with steel blades and lubricated bearings; not suitable in restricted airflow applications.
Duct size: 8” | Dimensions: 7.28 x 7.87 x 7.87 in. | Airflow: 428 CFM | Noise: 43 dBA | Bearings: Dual Ball
Tools & Home Improvement Building Supplies HVAC
8” Inline Booster Duct Fan with Speed Controller N74723
Sale price
$14.99
Regular price $58.34
Shipping calculated at checkout.
A duct fan designed to boost airflow in HVAC systems and ventilate home spaces like attics and workshops.
Features a variable fan speed controller, enabling you to optimize airflow and noise level for any application.
Unibody die-cast construction with no welded seams; reduces vibration while ensuring smoother airflow.
AC brushless motor with steel blades and lubricated bearings; not suitable in restricted airflow applications.
Duct size: 8” | Dimensions: 7.28 x 7.87 x 7.87 in. | Airflow: 428 CFM | Noise: 43 dBA | Bearings: Dual Ball
| AC Infinity RAXIAL S4, Inline Booster Fan 4” with Speed Controller | AC Infinity RAXIAL S6, Inline Booster Fan 6” with Speed Controller | AC Infinity RAXIAL S8, Inline Booster Fan 8” with Speed Controller | |
|---|---|---|---|
| Model | AC-RXS4 | AC-RXS6 | AC-RXS8 |
| Duct Opening Size | 4' | 6' | 8' |
| Airflow | 106 CFM | 265 CFM | 428 CFM |
| Noise | 28 dBA | 35 dBA | 43 dBA |
| Power | 15 W | 37 W | 46 W |
| Dual-ball bearings made in Germany rated at 67,000 hours | ✓ | ✓ | ✓ |
| Die-cast unibody steel construction with matte black finish | ✓ | ✓ | ✓ |
| AC motor optimized for low-noise performance | ✓ | ✓ | ✓ |
| Controller | Variable inline speed controller with LOW/MID/HIGH thresholds and an easy on & off switch. | Variable inline speed controller with LOW/MID/HIGH thresholds and an easy on & off switch. | Variable inline speed controller with LOW/MID/HIGH thresholds and an easy on & off switch. |
| Applications | Household ventilation systems including kitchens, attics, basements, and bathrooms. Active intake for grow tents and rooms. Not suitable in functions with restricted airflow such as systems that use carbon filters. | Household ventilation systems including kitchens, attics, basements, and bathrooms. Active intake for grow tents and rooms. Not suitable in functions with restricted airflow such as systems that use carbon filters. | Household ventilation systems including kitchens, attics, basements, and bathrooms. Active intake for grow tents and rooms. Not suitable in functions with restricted airflow such as systems that use carbon filters. |
Tools & Home Improvement Building Supplies HVAC