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    Triangle RIWS33 37 In x 37 In Single Panel Supply Shutter

    Triangle RIWS33: 37" x 37" Industrial Support Shutter ID

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    Maximize airflow control and protect your industrial ventilation system with the Triangle RIWS33 37" x 37" Industrial Support Shutter ID.

    Engineered for fan housing mounting, this heavy-duty shutter ensures reliable, hands-free ventilation control, automatically opening and closing with fan operation. Its robust construction makes it ideal for challenging industrial and commercial environments.

    • SKU: RIWS33
    • Inside Dimension: 37" x 37"
    • Features corrosion-resistant extruded aluminum blades.
    • Equipped with durable bronze bushings for smooth, quiet, and maintenance-free performance.
    • Constructed with a polyester powder-coated, galvanized steel frame for enhanced strength and longevity.

    The Triangle RIWS33 is the superior choice for outside wall mounting, offering a dependable barrier while optimizing your ventilation efficiency.

    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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