Triangle Fans

CSS30 Triangle Fans No-Cut Joist Shutter, 30" Fan Blade Size

Regular price $196.30 USD
Regular price Sale price $196.30 USD
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Benefits & Features

✅ Energy Efficiency: Polyethylene bearing ensures smooth and silent operation.
✅ Optimal Airflow Control: Designed for precise control in HVAC systems.
✅ Automatic Operation: Shutters open and close automatically for convenience.
✅ Weather and Pest Protection: Effectively keeps out air, insects, and dust.
✅ Professional Finish: Durable white enamel finish for a polished look.


Fan Size: 30"
Opening Size: 14 1/4" x 33 1/4"
Dimensions (Inside): 30" x 33"
Dimensions (Outside): 32" x 35"
Item Weight: 10 lbs

Upgrade your ventilation system with our 30-inch Triangle Fans Ventilation Shutters, featuring extruded aluminum frames and louvers. Designed with an opening size of 14 1/4" x 33 1/4", these panel shutters offer precise airflow control for optimal circulation in HVAC systems. Manufactured with a polyethylene bearing for smooth, silent operation, these shutters automatically open and close, effectively keeping out air, insects, and dust. The durable white enamel finish adds a touch of professionalism.


  • 24” O.C. joists ONLY

Opening Sizes: Installs centered on a joist with 16" or 24" centers. Cut two openings on each side of the centre joist per shutter model.

Also available in:


Specifications Sheet,

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Frequently Asked Questions about the CSS30 Triangle Fans No-Cut Joist Shutter, 30" Fan Blade Size

What is a No-Cut Joist Shutter?

The No-Cut Joist Shutter is a ventilation solution designed to be installed without cutting the joist. It helps maintain the structural integrity while enhancing airflow.

How does the No-Cut Joist Shutter operate?

The shutter operates automatically, opening and closing to regulate airflow in HVAC systems. It ensures efficient ventilation without manual intervention.

What are the key features of the No-Cut Joist Shutter?

It features heavy-duty extruded aluminum frames, louvers, a polyethylene bearing for silent operation, and a durable white enamel finish for professional aesthetics.

How do I ensure proper compatibility with my HVAC system?

Check the opening sizes and compatibility information provided. For optimal performance, ensure the shutter suits your HVAC system specifications.

Is professional installation required for the No-Cut Joist Shutter?

While it can be installed by DIY enthusiasts, professional installation is recommended to guarantee correct placement and functionality.