Mud in flange linear slot diffuser

How to Adjust the Pattern Controllers on Linear Diffusers mud in linear slot diffuser Linear Slot Diffusers Designed with an adjustable air pattern field, the 6000 Series diffuser allows both horizontal and vertical airflow The frames and mud in linear slot diffuser USAire, Linear Mud-in Slot Diffusers, 34 Slot Width, 100 Long

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