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20×10 Linear Slot Diffuser – Modern Aluminum Vent

$118.90 on Amazon.com (as of October 20, 2026, 6:15 AM EST) View details ↗

Upgrade your HVAC system with the **ACLAMINAIRE 20x10 Linear Slot Diffuser**, a sleek, modern aluminum vent designed to deliver precise airflow while enhancing your space’s aesthetic. **⚠️ Critical Sizing Note:** The 20×10 measurement refers to the **duct opening size**, not the grille’s outer dimensions—measure your wall/ceiling hole (not the old cover) to ensure a perfect fit. The diffuser’s visible face measures **21.7″ × 11.7″**, offering a clean, contemporary look that complements any residential, office, or commercial environment.

Built from **high-quality aluminum**, this diffuser resists rust and corrosion, ensuring long-lasting performance in both heating and cooling applications. Its **lightweight yet sturdy construction** simplifies installation on standard duct openings, whether mounted on walls or ceilings. The **linear slot design** promotes even airflow distribution, improving HVAC efficiency while maintaining a professional, unobtrusive appearance. Ideal for modern interiors, this diffuser blends functionality with style, making it a versatile choice for homes, offices, and commercial spaces.

Duct Opening Size20″ × 10″
Outer Face Dimensions21.7″ × 11.7″
MaterialAluminum
Load CapacityStandard HVAC duct compatibility
Installation TypeWall or ceiling mount
FinishWhite
Why does the product list a 20×10 size if the grille is larger?
The 20×10 measurement refers to the **duct hole size** (where the diffuser attaches to your HVAC system), not the outer grille dimensions, which are 21.7″ × 11.7″. Always measure your wall/ceiling duct opening, not the old grille cover.
Is this diffuser compatible with all standard HVAC systems?
Yes, it’s designed for **standard duct openings** and works with most residential or commercial HVAC, heating, cooling, or ventilation systems.
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