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The SteelCrest BSL12X4RWHH is a fixed return air grille engineered for wall and ceiling installations in residential and light commercial HVAC systems. Constructed from solid steel with a white powder-coat finish, it features a slotted face design that balances airflow performance with a clean, modern appearance. The grille fits a 12x4 inch duct opening and finishes at an overall size of 14x6 inches, covering the rough opening completely for a professional result. HVAC technicians and general contractors use this grille during new construction and remodel work where a durable, direct-replacement return grille is required.
This grille is suited for return air applications on interior walls or ceilings in residential and light commercial buildings. It is a fixed-blade design, meaning the face bars do not adjust, which is standard practice for return air grilles where airflow direction control is not required. The 14x6 inch face plate covers a 12x4 inch duct collar, making installation straightforward during rough-in or retrofit projects. No damper is included, consistent with typical return-side grille installations.
Designed as a direct-replacement fixed return grille for standard 12x4 inch duct openings in residential and light commercial wall or ceiling applications.
Installation is typically performed by a licensed HVAC technician or general contractor. Shut down the air handling system before removing any existing grille and inspecting the duct collar. Verify the rough opening measures 12x4 inches before fastening. Secure the grille to the wall or ceiling surface using the mounting holes on the face frame, and confirm the face plate seats flush for a finished appearance.
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