Fast Shipping On All Items 30 Days Money Guarantee Customer Support Excellent Service 100% Satisfaction Satisfaction Guaranteed VIVOSUN Aerozesh S4 Inline Duct Fan, Quiet 4" 208 CFM Ventilation Exhaust Fan W/Ec Motor and Growhub E42A Temperature Humidity Wifi-Controller - for Heating Cooling Booster, Grow Tents, Hydroponics Specification Item Weight 6.07 pounds Item model number VSV-AZS4E42AK Manufacturer VIVOSUN Package Dimensions 14.25 x 10.24 x 8.11 inches Size S4 w/ Smart Controller 10.24 inches x 14.25 inches x 8.11 inches. Weight: 6.07 lb Item Description Unify Your Equipment: You can operate them individually or unify all your smart devices through the GrowHub E42A platform to simplify the complexities of gardening to a scientifically manageable level and thus better stabilize your growth environment Energy-Saving Low-Noise Fan: This Fan is controlled by PWM more energy-efficient; The mixed-flow design allows the fans deliver air across longer distances; The fan ventilates quietly at just 35 dB Environmental Monitoring: With a built-in temp and humidity gauge and one probe, the GrowHub Controller E42A monitors changes in both the internal and external environment and VPD, and you can view this data and program through the App Fully Automated: Program your equipment to automatically take you through each stage of growth ? program light intensity, light spectrum, on/off periods, fan speed, and airflow volume, make changes to better suit your plants at any time App Controllable: The GrowHub Controller is WiFi-enabled so you can control your equipment from anywhere, anytime via the app; The App expands the controller's capabilities through Grow Recipes and other extremely powerful settings Product Description 1 EC-motor 2 Low Noise 3 Mixed-flow 4 Intelligent Control 5 Ventilation System 1 Remote Control 2 Multi-task 3 WiFi Connectivity 4 Dual Sensors 5 Operation Installation 1 Garden in Your Pocket 2 More Functions More Choices Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.5 out of 5 stars 166 4.5 out of 5 stars 166 4.4 out of 5 stars 87 4.4 out of 5 stars 87 4.5 out of 5 stars 92 4.5 out of 5 stars 92 Price $114.99$114.99 $129.99$129.99 $119.99$119.99 $149.99$149.99 $99.99$99.99 $115.99$115.99 Model AeroZesh S4 +E42A AeroZesh S6 +E42A AeroZesh T4 +E42A AeroZesh T6 +E42A AeroZesh G4 +E42A AeroZesh G6 +E42A Duct Opening Size 4" 6" 4" 6" 4" 6" Fan Bearing Dual-Ball Bearing Dual-Ball Bearing Dual-Ball Bearing Dual-Ball Bearing Dual-Ball Bearing Dual-Ball Bearing Airflow 208 CFM 405 CFM 210 CFM 408 CFM 195 CFM 388 CFM Noise ? 39dB ? 45dB ? 39dB ? 45dB ? 28dB ? 32dB Average Power 20W 35W 20W 35W 20W 35W Intelligent Programming Compatibility with E12 E42A Compatibility with E12 E42A Compatibility with E12 E42A Compatibility with E12 E42A Compatibility with E12 E42A Compatibility with E12 E42A PWM Controlled EC Motor ? ? ? ? ? ? Ring Anchor Design ? ? Features Programmable Adjustable Programmable Adjustable Programmable Adjustable Programmable Adjustable Programmable Adjustable Programmable Adjustable Applications Establish a Smart Environment Establish a Smart Environment Establish a Smart Environment Establish a Smart Environment Establish a Smart Environment Establish a Smart Environment Return Policy ? We guarantee against any defective or misrepresented products. The original shipping label must be sent back to us to validate the return. A full refund can only be issued during the first 30 days upon receipt of the product. ? Returns will be voided if the product is mishandled or physical damaged by customer. ? Buyer will be responsible for all kind of return shipping/shipment to the seller for resolving the problem. ? Returns made for all non-defective, undamaged products are subject to a 15% restocking fee. Shipping and handling fees are absolutely non-refundable. If an item is returned to us due to an address issue, we do charge a reshipping fee to reship. If you would like a refund, there will be a 15% restocking fee applied. ? All returned products need to be assigned an RMA # (Return Merchandise Authorization #) prior to return. Please contact us through's messaging system to obtain an RMA# for the return. Any returned product without an RMA # on package will not be accepted or processed. ? Please contact us before returning. Feedback ? We appreciate your feedback and our system will automatically leave feedback for you after bid ends. ? Please contact us through message center if you have any problems, we will always try our best for 100% customer satisfaction. Payment Options Shop With Confidence