Tjernlund RB10 Register Booster Fan, Fits 4" x 10" Register, Brown Description 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 flow from registers quickly and easily. Features: 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 Product Details: Brand: Tjernlund Color: Brown Electric fan design: Blower Power Source: Corded Electric Style: Modern Product Dimensions: 10.2"D x 13.2"W x 9.4"H Special Feature: High Velocity Recommended Uses For Product: Cooling Air Flow Capacity: 75 Cubic Feet Per Minute Blade Length: 10 Inches Is Discontinued By Manufacturer ‏ : ‎ No Product Dimensions ‏ : ‎ 13.2 x 10.2 x 9.4 inches; 3 Pounds Item model number ‏ : ‎ RB10 Date First Available ‏ : ‎ August 2, 2011 Manufacturer ‏ : ‎ Tjernlund Country of Origin ‏ : ‎ USA Best Sellers Rank: #118,895 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #251 in Household Ventilation Fans #251 in Household Ventilation Fans Customer Reviews: 4.0 4.0 out of 5 stars 652 ratings