This VIVOSUN Smart Air Filtration T4 Kit features a 4" filtration system paired with an AeroZesh T4 inline duct fan. Designed for grow room and indoor cultivation applications, this setup delivers efficient air circulation and carbon filtration in one integrated package. Key Features: 4" Smart air filtration system AeroZesh T4 inline duct fan included Ideal for medium-sized grow spaces Efficient carbon filtration technology Complete fan and filter combo kit Terms & Conditions – Please Read Before Purchasing For the security of all transactions, items will only be shipped to the address associated with your order at checkout. Please ensure your shipping address is correct before completing your purchase. If you have any questions about an item, feel free to reach out prior to purchasing, we’re happy to help and will respond as quickly as possible. All items are described and photographed as accurately as possible. Returns will not be accepted for issues that are clearly disclosed in the listing description or shown in the photos. Please review all details carefully before purchasing. If a return is approved, the item must be returned in its original condition, including all packaging, accessories, and components. Items that show signs of use, damage, missing parts, or altered condition may be subject to a partial refund at our discretion. For security purposes, items must be returned with matching serial numbers and identifying marks. Any discrepancies will result in the return being denied. Please note that colors may vary slightly due to differences in screen displays. We recommend viewing the item across multiple devices if color accuracy is important. Returns will not be accepted based on color variation. If you experience any issues with your order, please contact us directly, we’re committed to making things right. Thank you for shopping with Juicy Knockout Deals!