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 airflow, elevate style — don’t let your vents be basic!

CERTIFIED PERFORMANCE - Backed by ASHRAE 70 & ANSI S12.51 certifications ensuring reliable airflow and quality engineering.
DISCREET INSTALLATION - Hidden pre-drilled screw holes keep aesthetics flawless—no visible screws to spoil your modern vibe.
SEAMLESS MODERN UPGRADE - Transform any space with sleek, architectural linear slot design that replaces outdated grills effortlessly.
DURABLE LOW MAINTENANCE - Crafted from 100% aluminum for lasting durability and easy cleaning—no filters needed if your system has one.
UNIVERSAL FIT VERSATILITY - Fits standard duct openings with 12” neck size, perfect for ceilings, walls, floors in homes or offices.

The BUILDMART 12" Linear Slot Diffuser is a premium, patent-pending aluminum air vent cover designed for modern residential and commercial spaces. With precise 11 7/8” x 3 1/8” neck dimensions, it delivers 145 CFM airflow at 9.8 ft/s velocity, certified by ASHRAE 70 and ANSI S12.51. Its sleek linear design replaces traditional grills, installs discreetly with hidden screws, and fits ceilings, walls, or floors, making it the go-to upgrade for stylish, efficient ventilation.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Manufacturer	Texas Buildmart
Part Number	VLSD
Product Dimensions	35.56 x 12.7 x 5.08 cm; 581 g
Item model number	12x2S
Size	Neck: 11 7/8” x 3 1/8" - Face: 13 1/4" x 4 5/8"
Colour	White
Finish	Finished
Material	Aluminum
Shape	Rectangle
Power Source	Corded Electric
Installation method	Screw-In
Item Package Quantity	1
Number of Pieces	1
Head Style	Philips
Performance description	145 CFM @ 9.8 FPS
Measurement System	English/Standard
Plug profile	Screw-In
Special Features	Easy to Install
Usage	Commercial/Residential
Batteries included?	No
Batteries Required?	No
Item Weight	581 g

BUILDMART - 12" Linear Slot Diffuser - (2 Slot) Double Slot - White Decorative Air Vent - Modern AC Vent Cover for Ceiling, Walls & Floors - Texas Buildmart

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