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.

Buildmart 24 Linear Slot Diffuser 1 Slot Single Slot White

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

🌬️ Elevate your airflow game with BUILDMART’s sleek, modern diffuser—where style meets performance.

EFFORTLESS RETROFIT - Designed to perfectly replace traditional grills with hidden screw installation—no visible hardware, no compromise on style.
DURABLE LIGHTWEIGHT - Crafted from solid aluminum for lasting durability at just 1.3 lbs—built to impress without weighing you down.
VERSATILE AIRFLOW CONTROL - Supports both supply and return air functions with an efficient 92 CFM capacity at 9.8 ft/s velocity.
SLEEK ARCHITECTURAL UPGRADE - Transform your ceilings, walls, and floors with a minimalist, modern vent cover that screams sophistication.
CUSTOMIZABLE READY TO SHIP - Available in multiple sizes and colors, including paintable finishes to match your unique space instantly.

The BUILDMART 24" Linear Slot Diffuser is a commercial-grade, decorative air vent cover made from solid aluminum, designed for ceilings, walls, and floors. Offering 92 CFM airflow at 9.8 ft/s, it fits standard duct openings with a hidden screw installation for a clean, modern look. Lightweight, durable, and paintable, it’s perfect for both supply and return air applications in residential and commercial spaces.

Specifications

ASIN	B091RMSB1G
Air Flow Capacity	92 cfm
Best Sellers Rank	#297,707 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,622 in Registers, Grilles & Vents
Color	White
Customer Reviews	4.6 4.6 out of 5 stars (48)
Date First Available	April 5, 2021
Finish	Finished
Head Style	Philips
Installation Method	Screw-In
Item Package Quantity	1
Item Weight	1.3 pounds
Item model number	24x1S-W
Manufacturer	Texas Buildmart
Material	Aluminum
Measurement System	English/Standard
Mounting Type	Screw-In
Number Of Pieces	1
Part Number	24x1S
Performance Description	92 CFM @ 9.8 FPS
Product Dimensions	26 x 4 x 2 inches
Shape	Rectangle
Size	Neck: 23 3/4" x 1 5/8" - Face: 25 1/16" x 3 1/16"
Special Features	Easy to Install
Style	Modern
Wattage	1 watts

Reviews

K**0

Makeup Air Is A Must

I purchased and used one of these for a makeup air system on our stove top vent. the 24", single slot air vent fit perfectly under the cabinet kick panel and supplies just enough makeup air when the stove top vent is on. We have a damper controlled fresh air inlet under the house, in the crawl space that brings in fresh makeup air, via motorized damper that opens when ever the powerful exhaust vent is on. Works with the plenum we purchased for the 24" single slot air vent that has an 8" opening for duct work. We can have a fire in our living room fireplace and cook with the exhaust vent on at the same time, no issues. Works as I designed it to work. Every 300 cfm or over exhaust fans MUST have makeup air of some sorts or they will cause combustion issues and negative pressure in your house. Locating our makeup air just below the stove top burner ensure makeup air coming in goes directly up and out with the exhaust vented air.

22.12.2025

C**N

Great

Work exactly what I needed them for.

23.07.2025

A**R

Material de Calidad !!

Muy buena calidad, Lo Recomiendo 👍🏻

22.07.2025

F**R

Most attractive and useful inexpensive as well.

Looks great and worked well as an exhaust intake.

23.08.2023

J**N

Looks Great!

Perfect for venting the cabinet under our dual oven setup!

2.01.2023

J**F

Horrible product

Horrible stupid product doesn’t work. Flanges are impossible to move

25.04.2026

D**R

Good product

easy to install, modern and clean look, good quality

29.04.2025

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19343 kr

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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BUILDMART - 24" Linear Slot Diffuser - (1 Slot) Single Slot - White Decorative Air Vent - Modern AC Vent Cover for Ceiling, Walls & Floors - Texas

Description

Specifications

Reviews

Common Questions