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Fantech IR 4

4in. Duct Iris Damper – manual

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The IR is an iris damper for measuring and adjusting the air flow. The IR has the following specifications: low noise level, centrically-formed air flow and fixed test points for precise measurements.

The damper also has an adjustment aperture which can be opened completely, meaning there is no need for an access door for cleaning. Available in sizes 4-25 inches.

Specifications

Duct Connection Diameter

The diameter of round duct connected to the fitting.

Duct Connection Diameter
4 inches

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