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💨 Elevate your airflow game with silent, smart power — because your space deserves the best.
The TURBRO AirSupply ES4 is a 4-inch inline duct fan engineered for professional-grade ventilation with 195 CFM airflow at 5000 RPM, powered by an energy-efficient 18W brushless DC motor. It features whisper-quiet operation at ≤37 dB, variable speed control for precise airflow management, and a durable IP44 waterproof steel housing. Ideal for grow tents, hydroponics, residential, and industrial use, it offers easy installation and maintenance-free performance backed by a 2-year warranty.

| Air Flow Capacity | 195 cfm |
| Asin | B0894RP1Y2 |
| Best Sellers Rank | #394,635 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #144 in Hydroponic Ventilation Equipment |
| Blade Length | 4 inches |
| Blade Material | Plastic |
| Brand Name | TURBRO |
| Collection Name | Inline Duct Fans |
| Color | Blue |
| Control Method | App |
| Controller Type | Button Control |
| Customer Reviews | 4.6 4.6 out of 5 stars (182) 4.6 out of 5 stars |
| Electric Fan Design | Exhaust Fan |
| Finish Type | Powder Coated |
| Global Trade Identification Number | 00816621022709 |
| Included Components | 1× 4'' Duct Fan (with a 6 ft. power cable and 3-prong plug), 1× Installation Kit (Includes screws and anchors), 1× Speed Controller (with 16-ft cable) |
| Indoor Outdoor Usage | Indoor |
| Installation Type | wall-mounted |
| Item Dimensions D X W X H | 6.26"D x 7.24"W x 5.91"H |
| Item Type Name | 195 CFM Energy Efficient Exhaust Fan with Variable Speed Controlled EC Motor for Grow Tents, Hydroponics, Industrial and Residential Ventilation |
| Item Weight | 2.7 pounds |
| Main Power Connector Type | Standard North American 3-prong plug (Type B) or Standard North American 2-prong plug (Type A) |
| Manufacturer | TURBRO |
| Material | Aluminum |
| Model Name | AirSupply ES4 4 Inch Inline Duct Fan |
| Model Number | ES4 |
| Motor Type | brushless DC motor |
| Mounting Type | Wall Mount |
| Noise Level | 37 db |
| Number Of Blades | 7 |
| Number Of Power Levels | 101 |
| Number Of Speeds | 101 |
| Part Number | ES4 |
| Power Source | Corded Electric |
| Recommended Uses For Product | Air Circulation |
| Room Type | Bathroom, Home Office, Kitchen, Living Room |
| Size | 4 Inch (195 CFM, 18 W) |
| Special Features | Manual |
| Speed | 5000 rpm |
| Style | Industrial |
| Unit Count | 1 Count |
| Upc | 816621022709 |
| Voltage | 120 volts |
| Warranty Description | We provide a 2-year warranty from the purchase date. |
| Wattage | 18 watts |
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