2-Speed Professional In-Line Duct Fans  

2-Speed Professional In-Line Duct Fans™ offer the option of wiring for low or high speed operation. They are ideal for extra long duct runs, or runs that use flexible duct. Each model has a 2-speed thermally protected motor and balanced blade. For more information click on the in line duct fan. If you have doubts or are unfamiliar with this type of installation work, seek the services of a qualified electrician. ESPEnergy assumes no responsibility for installation of the In-Line Duct Fan™. We do not provide electrical connection information.

For your safety and protection follow all instructions and adhere to applicable building and/or electrical codes. Operating range is 50°F to 140°F. Exposure to temperatures outside this range voids the warranty. 1-year limited warranty. 

Click below for more technical data on inline duct fans

DB308P	DB310P
Fits 8" round metal or flexible ducts.	Fits 10" round metal or flexible ducts.