› Tjernlund Register Booster Fan - Fits 4in. x 10in. Register, Model# RB10

This Tjernlund Register Booster Fan dramatically boosts airflow in your 4in. x 10in. floor register in less than a minute. U.S.A. Air Delivery (CFM): 75, Amps: 0.3, Power Cord (ft.): 6, Volts: 120, Watts: 20, Blower Type: Crossflow