In-Line 8" Duct Booster Fan, 325 cfm


Brand: Tjernlund

Mfr Part#: EF-8

Availability: In Stock
Usually ships: Today, if ordered by 3pm
Qty Price
$52.95 / each
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Tjernlund EF-6 In-line Duct Booster Fan is designed for 6" Flex or Metal Ducts.


Duct Booster fans boost air flow and increase the comfort level in hard to heat or cool rooms. Eliminates the need to adjust the thermostat or install auxiliary heating or cooling equipment. Fans can also be used for exhaust or fresh air intake applications. Fits into metal or flex duct. Models feature: easy installation, durability, economical price, variable speed adjustability, manual or automatic operation.


  • Boosts air flow in hard to heat or cool rooms;
  • May be used as exhaust or air intake fans;
  • Easy installation in both metal and flex duct;
  • Optional speed and Duct Airstat operating controls;
  • Quiet, smooth operation;
  • Heavy Gauge Housing;
  • Stronger Motor than the Competition;
  • Better Performance, Higher Velocity (works against higher pressure drops);
  • Metal Prop Fan Blades--Means a Truer Air Flow (EF-8);
  • Higher Temperature Rating (150°);
  • Quieter, (Lower RPM, Same Performance);
  • Rated for Heated and Cooled Air;

Technical Specifications:

  • Voltage: 120 VAC;
  • Watts: 56W;
  • Amps: 1.1A;
  • Free air CFM: 325;
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