<p><b>TerraBloom's Commitment to Customers</b></p> <p>At TerraBloom we are focused on providing high-quality air ventilation and indoor garden products at affordable prices. Our ventilation products are designed and tested for performance in a wide range of household and horticultural applications. With years of experience behind our belts, we understand the importance of proper airflow and strive to enable our customers to achieve their ventilation goals in the most efficient way possible. </p> <p><b>TerraBloom 4 Inch Inline Duct Fan Description</b></p> <p>TerraBloom 4 inch inline fan is manufactured from the lightweight paint coated steel and can be used as a booster fan to ventilate grow rooms, basements, attics, etc. Our booster fan fits into a standard 4 inch duct and comes pre-wired 6 foot grounded cable. </p> <p>At the maximum speed in straight ducts this inline fan moves 100 CFM of air per minute, which can be reduced by up to 30% using TerraBloom Variable Fan Speed Controller (sold separately). Reducing the maximum speed of this inline fan with a controller significantly reduces the noise produced by the air flow. Max temperature in the operating environment for this inline fan is 140F. This fan is not waterproof and not suitable for outdoors applications.</p> <p><b>Warranty</b></p> <p>We stand behind our products and provide 1 Year Warranty. Please contact us through Amazon for Warranty Service, and we will process it for you without extra hassle. </p> <p><b>Disclaimer</b></p> <p>Buyer acknowledges that by purchasing TerraBloom products, buyer has special knowledge on installation and use of the product or has consulted a professional on the productâs installation and use. As with any electrical appliance, buyer should exercise caution at all times when operating this fan.</p>