6 In. In-Line Duct Booster Fan

Fits 6 In. flexible & rigid ducts. Crimp & bead on one end for easy installation. Can operate on less than 4 a day! Designed to be energy efficient. Thermally protected Class B motor will not overheat, for maximum safety. Motor has large oil reservoir for quiet, long life. Sleeve bearings allow for installation at any angle. Tip throw balanced lexan blade for maximum performance & quiet operation. Corrosion-resistant metal construction for long life. Installation screws supplied. UL & ULC listed, conforms to ANSI/UL Standard 705 & CSA Standard 22.2. 1 full year limited warranty. Improves comfort in summer & winter.