Supply Direct To Duct Curved Air Grille For 30 Inch Duct, 12 By 10 Inch, Matte Black Aluminum Vent Cover, Adjustable Airflow Control, Supply Air Diffuser, Heavy Duty HVAC Grille For Easy Install And Quiet Performance

Curved Duct Air Grille for 30 in Duct - Matte Black Steel
✔️ Adjustable vertical front fins and rear horizontal fins for airflow

This curved, heavy-duty supply diffuser installs in 30-inch duct runs and adapts to a 12 x 10 inch face. It uses a curved steel face designed to match duct diameters with a ±2 inch tolerance for easy installation and alignment. The matte black finish complements modern spaces; standard metallic gray is in stock, white and matte black finishes are made to order.

✅ Heavy-duty steel construction with back deflector scoop for stability
✅ Curved face matches duct diameters with ±2 inch tolerance
✅ Adjustable vertical front fins and horizontal rear fins for airflow
✅ Sealing system minimizes air leakage and improves efficiency; matte black finish
✅ Includes secure fasteners for quick installation and reduced vibration

💡 What is a curved air grille used for in residential HVAC ductwork?

A curved air grille is a handy diffusion device that helps balance airflow and reduce noise in ducts. - Directs supply air with adjustable fins front/back - Fits 30-inch duct runs with a 12 x 10 inch face - Features back deflector scoop and secure fasteners for stability - Sealing system minimizes leakage and improves system efficiency ✝️