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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BUILDMART - 48" Linear Slot Diffuser - (2 Slot) Double Slot - White Decorative Air Vent - Modern AC Vent Cover for Ceiling, Walls & Floors - Texas Buildmart

BUILDMART - 48" Linear Slot Diffuser - (2 Slot) Double Slot - White Decorative Air Vent - Modern AC Vent Cover for Ceiling, Walls & Floors - Texas Buildmart

Product ID: 106023971

✨100% corrosion-resistant aluminum

📏48" face length, fits standard ducts

🛠️401 CFM airflow capacity

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Description

🏢 Elevate your air game with sleek, silent style!

DURABLE LOW MAINTENANCE - Crafted from commercial-grade aluminum with an electrostatic powder coat finish for corrosion resistance and easy cleaning.
CUSTOM FIT FOR EVERY SPACE - Choose from 70+ sizes (12" to 72") to perfectly match your duct openings—no guesswork, just seamless style.
SLEEK ARCHITECTURAL UPGRADE - Transform any ceiling, wall, or floor with a modern linear slot diffuser that screams sophistication.
VERSATILE AIRFLOW PERFORMANCE - Supports 401 CFM at 9.8 ft/s velocity, perfect for both supply and return air applications in residential or commercial spaces.
EFFORTLESS RETROFIT INSTALLATION - Pre-drilled hidden screw holes and included hardware make upgrading your vents a breeze—no visible screws, no hassle.

The BUILDMART 48" Linear Slot Diffuser is a premium, non-structural air vent cover made from 100% aluminum with a smooth white electrostatic finish. Designed for ceilings, walls, and floors, it delivers 401 CFM airflow at 9.8 ft/s, fitting standard duct openings with a 47 1/4" x 3 1/8" neck and a 48 3/4" x 4 1/2" face. Easy to install with hidden screws, this modern diffuser replaces traditional grills, offering a sleek, durable, and low-maintenance upgrade for both residential and commercial HVAC systems.

Specifications

Air Flow Capacity	401 cfm
Asin	B07NF8LBBM
Best Sellers Rank	#101,528 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #623 in Registers, Grilles & Vents
Color	White
Customer Reviews	4.4 4.4 out of 5 stars (97) 4.4 out of 5 stars
Date First Available	February 5, 2019
Finish	Finished
Head Style	Philips
Included Components	Screws
Installation Method	Screw-In
Item Model Number	48x2S
Item Package Quantity	1
Item Weight	4.34 pounds
Manufacturer	Texas Buildmart
Material	Aluminum
Measurement System	English/Standard
Mounting Type	Screw-In
Number Of Pieces	1
Part Number	48x2S
Performance Description	401 CFM @ 9.8 FPS
Product Dimensions	49 x 5 x 2 inches
Shape	Rectangle
Size	Neck: 47 1/4" x 3 1/8" - Face: 48 3/4" x 4 1/2"
Special Features	Easy to Install

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฿18447

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Thailand.

Secure transaction

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