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    Triangle RIWSD51 61 In x 61 In Double Panel Supply Shutter

    Triangle RIWSD51: 61" x 61" Industrial Double Shutter (DBL)

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    Maximize environmental control and optimize ventilation in your commercial or industrial space with the heavy-duty Triangle RIWSD51 61" x 61" Industrial Double Shutter (DBL). Designed specifically for fan housing mounting, this robust shutter provides reliable supply or exhaust airflow management in demanding environments like warehouses and greenhouses.

    The RIWSD51 (SKU: RIWSD51) features a large 61" x 61" inside dimension and a dual-panel design engineered to support high air volume. It is constructed with:

    • Heavy-duty extruded aluminum louvers for maximum durability and corrosion resistance.
    • Durable bronze bushings for smooth, automatic operation.
    • Effective sealing when closed to prevent backdrafts, insects, and debris.

    Choose the Triangle RIWSD51 for long-lasting, secure, and efficient ventilation control.

    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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    Need help choosing? Our industrial fan experts are available to help you find the perfect solution. Call us at (888) 864-4344 or use our Fan Finder.

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