VORTEX IN-LINE DUCT BLOWER FANS VORTEX V-12XL IN-LINE DUCT BLOWER FAN VORTEX IN-LINE DUCT BLOWER FANS ARE IDEAL FOR USE IN GENERAL PURPOSE EXHAUST APPLICATIONS. VORTEX V-12XL IN-LINE DUCT BLOWER FANS ARE MADE FROM QUALITY STEEL AND FEATURE A HAMMERTONE POWDER COAT FINISH FOR ADDED DURABILITY. THE FANS ARE BUILT WITH AN EXTENDED COLLAR AND LIP TO ALLOW EASY DUCT HOOKUP. GALVANIZED MOUNTING BRACKETS ALLOW FOR HORIZONTAL OR VERTICAL INSTALLATION. AERODYNAMIC BUILD ALLOWS FREE AIR FLOW. MIXED FLOW IMPELLERS ALLOW GENEROUS AIR VOLUME. FANS FEATURE A PERMANENTLY LUBRICATED, MAINTENANCE-FREE BALL BEARING MOTOR. LOW 1700 RPM OPERATING SPEED ENABLES QUIET OPERATION. V-12XL FANS FIT DUCTS MEASURING 12″ IN DIAMETER. 6’L POWER CORD INCLUDED. ETL , CSA AND UL507 LISTED. 3 YEAR LIMITED