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Duct Booster

Tjernlund Duct Boosters
Standard In-Line Air Duct Boosters Fans

120 Volts; 60hz.

Designed to be installed at any angle in the branch duct of under-ventilated rooms to increase either hot or cool air flow supply.
Easy to install in metal and flex duct. Galvanized steel housing with built-in duct stop on the inlet and crimped edge on the outlet.

Use in vertical and horizontal duct runs
Made in USA
One year limited warranty