Hydroplanet&Trade; 6-inch Inline Fan Carbon Air Filter and 25-feet Ducting Combo (6-inch kit) Hydroplanet 6-inch Carbon Filter Hydroplanet 6-inch CFM 400 Inline Duct Fan with Built-In Free Variable Speed Controller Hydroplanet 25-Feet Uninsulated Aluminum Ducting with Clamps 2 years warranty any issue contact customer service with order ID