Direct To Duct Surface Grille For 12 Inch Duct Measuring 20 By 4 Inch White Finish Steel Heavy Duty Durable Metal HVAC Air Vent Cover For Home Or Commercial Ductwork Built To Order With Two To Four Weeks Production Time

Surface grille for 12 inch duct in white steel finish
✔️ White, heavy-duty steel frame 20x4 in with adjustable blades

This surface grille is built to mount directly to a 12-inch duct opening and directs air flow with adjustable blades. The heavy-duty white finish suits both residential and commercial ductwork, offering durable performance and a clean look.

✅ Fits 12 inch duct with 20 x 4 inch frame
✅ Heavy-duty steel grille with gasket sealing
✅ Adjustable vertical fins (front) and horizontal fins (rear)
✅ White finish; made-to-order options, 2-4 week production

💡 What is a direct-to-duct curved grille used for in HVAC systems?

It directs airflow and diffuses distribution for balanced ventilation across spaces.

- airflow control in ductwork - direct mounting to duct openings - adjustable blades for diffusion - finishes and fit options available on request✝️