American Louver Balancing Damper, Radial, Galvanized steel, 6", PK2

Backdraft Dampers are non-flanged horizontal mount exhaust backdraft damper. The frame is galvanized steel with aluminum blades. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Spring assisted to allow the blades to open quickly. Ideal for use in roof curbs, ductwork, or wall collars when using a fan or power roof ventilator. Recommended for horizontal mount exhaust applications. MADE IN THE USA

Backdraft Dampers are non-flanged horizontal mount exhaust backdraft damper. The frame is galvanized steel with aluminum blades. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Spring assisted to allow the blades to open quickly. Ideal for use in roof curbs, ductwork, or wall collars when using a fan or power roof ventilator. Recommended for horizontal mount exhaust applications. MADE IN THE USA

Canarm®'s CP series fans are ultra quiet and come complete with efficient and long lasting capacitor start motor. Ultra quiet operation. Plug in permanently lubricated motor engineering for continuous operation. Motor comes with a built in overload disconnect for safety and long life. Holds an ETL evaluation and conforms to UL and cUL safety standards. Rugged 26 GA galvanized steel housing. Detachable 4" polymeric collar which includes a light weight built-in back draft damper.

The Hat Channel is an extruded aluminum motorized volume control damper. The hat channel frame is 5" deep with 7" wide center-pivoted blades for a full 90 degree rotation with parallel blade action. The TPV blade and stainless steel jamb seals help in keeping out light, air, and moisture. The dampers can be used for exhaust or supply applications and can be mounted in a vertical or horizontal position; typically walls, curbs, or ductwork. Comes standard with an internally mounted factory installed 100-240 volt power open / spring close motor with an end switch. MADE IN THE USA

Global Industrial's™ series Industrial Roof Exhausters are designed for general ventilation and smoke and fume removal where lower cost and less maintenance are a priority. Key Features and Benefits Ruggedly constructed steel curb cap including spun venturi section for efficient air flow. Cast aluminum spark-resistant propellers are standard and suitable for use in hazardous locations when paired with explosion proof motor. Butterfly damper section, mill galvanized construction, with damper blades that open when fan is energized and close weathertight when unit is off. Dampers rotate ...