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    Triangle IWS21 28 x 28 Industrial Exhaust Shutter

    Triangle IWS21 28" x 28" Industrial Exhaust Shutter

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    Optimize your industrial ventilation system with the genuine Triangle IWS21 Industrial Exhaust Shutter ID. Designed for heavy-duty commercial and industrial applications, this essential component ensures maximum airflow efficiency and superior climate control.

    Key Features of the IWS21:

    • Size: 28" x 28" (27 3/8" square inside dimensions) for compatibility with corresponding exhaust fans.
    • Construction: Features a durable 4" depth and high-quality aluminum construction for corrosion-resistant, long-lasting performance.
    • Operation: Equipped with automatic gravity louvers that open and close to securely seal the opening, preventing back drafts, insects, and air infiltration when the fan is off.

    The Triangle IWS21 is a reliable mounting system accessory, perfect for optimizing ventilation and maintaining environmental integrity in warehouses and workshops. SKU: IWS21.

    Built to Your Space

    Quote required — we confirm configuration, availability, and freight before purchase. Most quotes are answered within one business day.

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