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    Triangle RIWS45 49" x 49" Industrial Supply Shutter ID

    Triangle RIWS45 49" x 49" Industrial Supply Shutter ID

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    Maximize the efficiency of your ventilation system with the genuine Triangle RIWS45 Industrial Supply Shutter ID. Engineered for heavy-duty commercial and industrial use, this 49" x 49" shutter provides reliable, automatic air control when mounted to your fan housing.

    The Triangle RIWS45 (SKU: RIWS45) functions as an essential gravity damper, automatically opening during fan operation and closing securely when the fan is off to protect against backdrafts, insects, and dust. This ensures optimal airflow and system protection.

    • Inside Dimensions: 49" x 49" for large volume air exchange.
    • Construction: Durable, corrosion-resistant aluminum frame and extruded aluminum blades.
    • Features: Maintenance-free performance with bronze pivot bushings.

    Upgrade your industrial facility ventilation with this robust mounting system accessory, offering superior air management and long-term durability. It is designed with outside dimensions of 51 3/8" square.

    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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