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  • 4×10 Linear Slot Diffuser – Aluminum Air Vent Cover, Outer Face Plate: 11.25″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 (4×10 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:
There are no pre-drilled holes on the vent cover
You can use self drilling screws (wherever required) to fix on ceilings and walls.
Open the air control blades, and keep them in the closed position
Insert the air vent into the duct opening
Mark the hole’s position wherever required
Use a drill machine to make holes, or use a self-drilling screws to fasten the vent cover into duct.
Open the air control blades according to the air flow required
Versatile Installation: Can be used as a supply or return vent, suitable for ceiling, wall, or floor mounting – no pre-drilled holes.

Dimension:

Duct Size: 4×10 inches
Outer Face Plate Length x Width : 11.25"x5"
Duct Opening Length x Width : 10" x 3.55"
Damper Size Height : 1.75"
Solts : 2 Solts
Solts Size : 40
Material : Aluminum


FAQs

What duct size does this 4×10 linear slot diffuser fit?
It is designed for standard 4″ × 10″ duct openings, with a slightly larger faceplate for full coverage.
What material is the diffuser made of?
This vent cover is made from durable rust-free aluminum with a protective powder-coated finish.
Can this diffuser be used on floors, walls, and ceilings?
Yes, it is versatile and works with all three surfaces for HVAC heating and cooling.
Does it come with a damper?
Yes, a built-in adjustable damper is included to control airflow. It can be removed if needed.
How should I measure to ensure a correct fit?
Measure the inside edge-to-edge dimensions of your duct opening. This model fits 4″ × 10″ ducts.
Does the faceplate sit flush or raised above the surface?
The faceplate sits slightly raised (about 5–7 mm above the surface) for proper airflow and design.
What finish options are available?
Available in Black, Brown, and White. The finish is repaintable with metal spray paint.
How do I install this diffuser?
Options include drop-in mounting, countersunk screw holes with matching screws, or wall-mount clips.
Is it suitable for high-traffic floor areas?
It’s sturdy for normal use but not designed for heavy foot traffic or furniture placement directly on top.
How do I clean and maintain the diffuser?
Use a brush or vacuum for dust. For deeper cleaning, wipe with a damp cloth. Avoid abrasive cleaners.
Will using this diffuser affect my HVAC performance?
When installed correctly in the proper duct size, it does not reduce airflow. The damper allows control.
What are the shipping times and warranty details?
Ships within 1–4 business days from Canada. Includes a 12-month warranty (finish excluded).