What does a Linear Slot Diffuser do? What are Linear Slot Diffusers used for? What is a Slot Diffuser?

Linear Slot Diffusers are Vent Covers that are Linear and the “face” of a vent. The Air Conditioning unit distributes air throughout the home/building via the air duct tubing and delivers hot/cold air to each room that the vent is in.

Are Linear Slot Diffusers good?

Linear Slot Diffusers are the “face” of the vent, often referred to as a Vent Cover. Linear Slot Diffusers are good in the sense that they are aesthetically pleasing to look at and give a modern feel to any room they are in.

How do I choose a Linear Slot Diffuser?

For New Builds, we always recommend checking with your HVAC Contractor to confirm the CFM’s each room will need and then selecting your Linear Slot Diffusers based on the CFM’s

What sizes do vent covers come in? What is the standard vent cover size?

Vent Covers, Grilles, Registers, Diffusers come in different sizes. The most Standard Sizes being 10” x 6” and 12” x 6” and 8” x 4” - You will find at least one of these in most homes.

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💨 Elevate your airflow game with style and substance!

CUSTOM FIT CONFIDENCE - Choose from over 70 sizes with paintable finishes to perfectly match your style and duct dimensions—no guesswork, just precision.
VERSATILE AIRFLOW MASTERY - Supports both supply and return air with a powerful 389 CFM capacity at 9.8 ft/s velocity—comfort meets efficiency.
SLEEK ARCHITECTURAL UPGRADE - Transform your ceilings, walls, and floors with a modern linear slot diffuser that screams sophistication.
EFFORTLESS RETROFIT INSTALLATION - Hidden screw-in mounting system keeps aesthetics flawless while making upgrades a breeze.
BUILT TO LAST DESIGNED TO IMPRESS - Crafted from 100% solid aluminum for durability and effortless cleaning—because your space deserves the best.

The BUILDMART 36" Linear Slot Diffuser is a premium, commercial-grade aluminum air vent cover designed for modern interiors. Offering a sleek, decorative alternative to traditional grills, it supports both supply and return airflows with a robust 389 CFM capacity. Its precise sizing and hidden screw-in installation make it ideal for seamless retrofits in ceilings, walls, and floors. Available in multiple sizes and paintable finishes, this vent cover combines durability, style, and easy maintenance for professional-grade HVAC upgrades.

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Manufacturer	Texas Buildmart
Part Number	36x3S
Item Weight	4.59 pounds
Product Dimensions	37 x 7 x 2 inches
Item model number	36x3S-W-SLSD
Is Discontinued By Manufacturer	No
Size	Neck: 35 3/8" x 4 11/16"-Face: 36 13/16" x 6 1/16"
Color	White
Finish	Finished
Material	Aluminum
Shape	Rectangle
Installation Method	Screw-In
Item Package Quantity	1
Number Of Pieces	1
Air Flow Capacity	389 Cubic Feet Per Minute
Head Style	Philips
Performance Description	389 CFM @ 9.8 FPS
Measurement System	English/Standard
Mounting Type	Screw-In
Special Features	Easy to Install
Batteries Included?	No
Batteries Required?	No

BUILDMART - 36" Linear Slot Diffuser - (3 Slot) Triple Slot - White Decorative Air Vent - Modern AC Vent Cover for Ceiling, Walls & Floors - Texas Buildmart

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