Tjernlund LB2 No-Clog, Zero Maintenance DEDPV Dryer Duct Booster Fan featuring Automatic Activation

Highly recommended for homes with dryer exhaust duct run of 25 feet or more. Lint Blitzer impeller repels lint. LED indicator display panel. Permanently lubricated motor is positioned outside of air stream for maximum motor life. Easy installation in both horizontal and vertical ducts. Maintains proper exhaust velocities in duct runs up to 100 equivalent feet, optimizing dryer performance.