Direct To Duct Curved Air Grille For 10 Inch Duct Matte Black Steel Vent Register 20 By 4 In Adjustable Airflow Supply Diffuser Heavy Duty HVAC Grille Pre Order With 2 To 4 Weeks Production Time
✔️ Heavy-duty curved steel with adjustable vertical & horizontal fins
This curved direct-to-duct grille is designed to fit 10-inch ducts and provides precisely adjustable airflow with double-deflection fins. Made from heavy-duty steel and finished in matte black, it’s suited for residential, commercial, and industrial HVAC installations. This is a made-to-order item with a 2 to 4 week production timeline.
✅ Face size 20 x 4 in, curved steel with ±2 in duct-tolerance
✅ Double deflection system with adjustable vertical fins at the front and horizontal fins at the rear
✅ Heavy-duty steel construction with back deflector scoop and secure fastening
✅ Sealing system minimizes air leakage and improves efficiency
✅ Finishes: standard metallic gray in stock; white and matte black on made-to-order basis
💡 What is a curved direct-to-duct air grille with adjustable fins and how does it improve HVAC airflow?
The design uses a curved face and double deflection fins to direct air more precisely and reduce turbulence.
- Double-deflection airflow system with adjustable vertical front fins and horizontal rear fins - Fits 10in ducts with a tolerance of ±2 inches for flexible installation - Heavy-duty steel construction with back deflector scoop and sealing to minimize leaks - Matte black finish available on made-to-order basis ✝️