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  • 4×12 Linear Slot Diffuser  – Aluminum Air Vent Cover, Outer Face Plate: 13″x5″ with adjustable blades to control air flow direction and volume of the air delivered. Suitable for both supply and return air applications.
  • Modern Linear Slot Diffuser – The sleek and stylish grille design blends seamlessly with ceilings, walls, or floors for a clean, modern look. It is suitable for residential and commercial interiors.
  • Sleek & Modern Design: The slim Two Slots low-profile design is ideal for contemporary home or office spaces. It is nearly flush with the surface of the floor, walls, or ceiling and suitable for HVAC systems.
  • Easy Air flow adjustment. Easily control airflow direction and volume with internal adjustable blades. Long, narrow slots with adjustable aluminum blades inside.
  • Durable Aluminum Build: Made from lightweight, corrosion-resistant aluminum for lasting durability to ensure long-lasting performance in any environment
  • Powder-Coated Luster grain finish: Matte Black and Matte White in Colors to match your interior decor. Scratch-resistant and easy to maintain and clean. Luster grain finish
  • Modern, sleek look –  ideal for contemporary interiors.
  • Versatile Installation – Suitable for ceilings, walls, or floors.
  • Custom Options Available: Tailor to your needs with custom sizes and finishes on request.
  • In stock: ships within 2 to 3 days from Canada

Product Details

Product Description:

Enhance the style and function of your HVAC system with this Modern Linear Slot Diffuser (4×12 inches).
Engineered for aesthetics and performance, this aluminum air vent cover is perfect for modern interiors. Its sleek, nearly flush-mounted design provides a clean, minimalist look, while the adjustable blades inside allow for customized airflow control.
Crafted from lightweight, corrosion-resistant aluminum, it offers durability for long-term residential and commercial use.
The scratch-resistant Luster finish powder-coated white or black complements any décor with a refined, contemporary touch. Its nearly flush design suits walls, ceilings, or floors.
This diffuser suits supply or return applications, whether installing on walls, ceilings, or floors.
Bring modern design and airflow efficiency together. Upgrade your ventilation with this stylish and functional diffuser today!
Note: There are no pre-drilled holes-simply use self-drilling screws as needed for installation.
Made in China

Customs, Import Taxes, and Tariffs
Buyers are responsible for any customs duties, import taxes, and tariffs that may apply in their country (especially for U.S. orders subject to tariff fees). These charges must be paid directly to the courier or carrier before deliver.
Please Note that we do not accept returns or issue refunds for orders due to customs duties, taxes, or tariff-related charges.
We are not responsible for delays caused by customs clearance.

Installation Instructions:
No pre-drilled holes - install using self-drilling screws (not included).
Open the air control blades and keep them in the closed position.
Insert the vent into the duct opening.
Mark screw positions as needed.
Drill holes or use self-drilling screws to secure the cover.
Adjust air blades as desired for airflow.

Dimension :

Duct Size: 4×12 inches
Outer Face Plate Length x Width : 13"x5"
Duct Opening Length x Width : 11.80" x 3.55"
Damper Size Height : 1.75"
Solts : 2 Solts
Solts Size : 40
Material : Aluminum


FAQs

What duct size does this 4×12 linear slot diffuser fit?
It fits standard 4″ × 12″ duct openings. The outer faceplate measures 13″ × 5″ for proper coverage.
What is the design style of this diffuser?
It features a sleek, modern two-slot design that sits nearly flush with the surface, perfect for contemporary interiors.
Can this diffuser be used for both supply and return air?
Yes — it is suitable for both supply and return air applications in HVAC systems.
What material is the 4×12 diffuser made of?
The diffuser is built from lightweight, corrosion-resistant aluminum for durability and long-lasting performance.
What finishes are available?
It comes in matte Black and matte White, with a powder-coated luster grain finish that is scratch-resistant and repaintable.
Does the diffuser include adjustable blades?
Yes — it includes internal aluminum blades that can be adjusted to control both airflow direction and volume.
Is this diffuser suitable for floors, walls, and ceilings?
Yes — it is versatile for installation in floors, walls, or ceilings in both residential and commercial spaces.
How is the diffuser installed?
The diffuser has no pre-drilled holes. Use self-drilling screws for installation, as described in the included instructions.
How high does the faceplate sit above the surface?
The diffuser is designed to sit nearly flush with the surface, maintaining a low-profile modern look.
Are custom sizes available?
Yes — custom sizes and finishes can be requested to match your project requirements.
What are the shipping timelines?
This product ships within 2–3 business days from Canada.
What warranty is provided?
It includes a 12-month manufacturer’s warranty covering defects under normal use. Finish or color changes are not covered.