Direct To Duct Curved Air Grille 18x4 Inch For 12 Inch Ducts Matte Black Steel With Adjustable Airflow Vent Diffuser Made To Order 2 To 4 Weeks Lead Time
✔️ Adjustable airflow with front vertical fins and rear horizontal fins
This curved steel grille for 12 in ducts is made to order with a 2-4 week production time. It features a curved face and adjustable vertical front fins with rear horizontal fins to fine-tune airflow, improving distribution in HVAC systems for residential, commercial, and light industrial uses. Matte black finish adds a modern look.
✅ Size and fit: 18x4 in (457x102 mm) curved face for 12 in ducts (304.8 mm) with ±2 in tolerance (±50.8 mm)
✅ Material and finish: heavy-duty steel, matte black powder coat.
✅ Airflow control: front vertical fins and rear horizontal fins for directional airflow.
✅ Sealing and stability: sealing system minimizes leakage; back deflector scoop increases stability.
✅ Lead time and options: made-to-order in matte black; metallic gray in stock; white by order.
💡 What is a curved air grille used for in HVAC systems?
It directs airflow efficiently while reducing leakage and noise.
- Curved face design aligns with duct sizes to reduce turbulence
- Double deflection fins help you tune airflow direction
- Sealing system minimizes air leakage for better efficiency
- Back deflector scoop adds stability in high-flow setups