Tjernlund RB10 Register Booster Fan, Fits 4" x 10" Register, Brown 712319955680 The company manufactures its range

The company manufactures its range of rotors to industry-leading standards and certification (ISO 9001

Brand Allstar Model ALL30047 Size 19" X 28"

For a low price

Fundamental frequency: 410 Hz/-20

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Tjernlund RB10 Register Booster Fan, Fits 4" x 10" Register, Brown 712319955680 The company manufactures its rangeBrand Tjernlund Model RB10 Color Brown Size 4"x10" Easy to install fan is 50% quieter than prop style fans Blower wheel is screened to protect small fingers and block debris Plugs into standard 120V outlet Includes paintable commercial grade grill and 6 ft. power cord 75 CFM, Made in USA Tjernlund's Duct Booster Register Booster Fans increase air flow to rooms that are too hot or too cold. These all metal high velocity register fans increase weak air