VIVOSUN 4 Inch 190CFM Inline Duct Fan Ventilation with Variable Speed Controller
Energy-Efficient Ventilation: This powerful blower with a fan speed of 2300 RPM can create an air flow of 190 CFM; It combines the features and benefits of axial and centrifugal fan, effectively circulating air
Low Noise Level: The durable fan blades revolve smoothly and powerfully, which helps collect airflow volume and cut noise output; A less than 30 dB noise level will not disturb your work
Adjustable Speed: A stepless speed controller on the power cord enables the fan to run at different speeds; With this speed switch, you can adjust it to the desired airflow level
Easy Installation: This duct fan is compact and lightweight so it can be installed in small areas; Comes with an installation bracket indicating the direction of the airflow; Removable duct ends with locking tabs
Warranty: 1 year
4 inch 190cfm inline fan
grow tent ventilation system
low noise
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Founded in California, VIVOSUN is a leading-manufacturer of indoor horticultural equipment, supplying growers around the world with the highest quality equipments to start their own indoor gardens. With over a decade of manufacturing and industry experience, VIVOSUN leads the industry in innovating new methods of producing LED lighting systems, grow tents, grow bags, inline fan kits, digital ballasts that provide the best growing environment in any set-up.

Our products are suitable for Australian standard will ship out from NSW warehouse. 

Our team of professional manufacturers, researchers, and communication staff are able to offer the best products at the most competitive prices. Thanks to our unique supply chain management and technological innovation.

VIVOSUN is about empowering growers of all scales, from small household set-ups to medium growing operations, from a starter tent to your new small business. We strive to provide the highest quality, innovative products supported by the best customer service in the world.

We have a new look and a new feel that matches our dedication to our customers and the community at large. We are expanding our grower resources, making it easier to find products and information, and supporting up and coming growers!

1.All of our items are located in Australia and dispatched quickly. Your item will be sent via Australia Post or other courier provider depending on item size, weight and your location.
2.Items are generally shipped out within 1-2 business days from our warehouse after your payment has been cleared (Sat. & Sun. & Public holiday excluded.)
3.We only offer local delivery in AU, which normally takes about 2-6 business days to arrive. If you need Express Mail Service, please contact us by eBay message.
1. Return is accepted within 30 days after the buyer's receiving the item. We assure all our items are new and in excellent condition. In the event that you receive the item that is not to the standards above, please contact us by eBay messages. All returns must be in new original condition as received.
2. We only accept the return for original package. Please make sure that item has NO man-made sabotage. Used items will not be accepted for return.
3. If there are aftersale issues (wrong/damaged items received; missing parts; unfunctional), please get in touch with our customer service representative, let us know the detailed problem and send us some pictures for confirmation.  We will try our best to solve the issue to meet your satisfaction. Thanks for your cooperation.
1.We are transnational corporations, only strive for 5 star positive feedback and will try our best to offer the best service to our buyer.
2.Please email us before leaving negative feedback or open any dispute and please give us 2 business days to resolve the complaint to your satisfaction.
1. If there's any problem, please do not hesitate to contact us by eBay message, we will reply you within 1-2 business days (not include Public holiday).
2. Work Days: Monday to Friday
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