Custom Your Filtration Kit: Including a 4 inch Pro Inline Fan, a Smart Controller, 4 Inch Ducting and a Carbon Filter (for product details please click the links) **4 Inch Cloudline Pro Inline Fan **Choice of Controller 69 Pro or AI+ Controller Premium AC Infinity ducting, length 8 feet Choice of regular, refillable or XL carbon filter **PLEASE NOTE: if you opt for the Controller 69 Pro you will receive the CLT4 fan (fan and controller in one retail box), if you opt for the AI+ Controller you will receive the CLS4 fan with a separately boxed controller. Either option is a Cloudline Pro Inline Fan. ALSO check out this kit in a box if you want the AI/standard filter option - best value: Air Filtration Kit 4" with AI Environment Controller, Upgraded Inline Fan, Carbon Filter Please note imagery is for illustration purposes only - you will receive listed/opted for items only. See individual product specifications linked above.
