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LINEAR SLOT DIFFUSERS

Your AC vent covers don’t have to be an eyesore. At Texas Buildmart, we offer an assortment of clean, elegant, and high-quality vent covers and other premium products, including linear slot diffusers and standard diffusers. In addition, check out our installation videos for some helpful tips.

Shop Online Now

On this page, you can shop for high-performance air vents and grilles that are built to last and priced to accommodate your budget. These 100% aluminum products are sized to fit a full range of AC units. Corrosion-proof and finished with electrostatic paint, these vent covers feature directional systems with a 3-way airflow option. Give your air system a modern look with these versatile diffusers and covers.

Easy to clean and internally mounted, our products make it easy to keep your space looking great. And with a 9.8 effective velocity, our vents are welcome additions to efficient HVAC systems. Experience the difference that our air conditioner vent covers make when you place your order today.

Ordering & Shipping Info

To get started, just set up your online account, or log in if you are an existing customer. We’re confident that you’ll agree that our air vents and diffusers are the right choice for your property.

Our team processes your order quickly and ships it to any location in the United States via the shipping method of your choice. We are able to ship some items to international destinations, so if you see something that you’d like sent to a foreign address, contact us to get more information.

If for some reason you are not completely satisfied with your AC vent cover, you can return the item within 30 days for a full refund or exchange. However, shipping and handling charges are not refundable. Any information you send to us through this site, including shipping and payment information, remains strictly confidential.

We thank you for your interest in our air conditioner vent covers. Our team is committed to achieving your complete satisfaction by ensuring that your high-quality, affordable vents and accessories are quickly and safely delivered to your location. We appreciate your business and look forward to filling your next order.

Contact us with any questions about our products. We ship to customers nationwide.

Linear Slot Diffusers - AC Vents
Standard Diffusers

AC Registers Installation Videos
Displaying products 1 - 30 of 33 results
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6x4 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
6x4 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $19.49
6x4 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

6x4 2 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
8x4 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
8x4 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $19.99
8x4 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

8x4 2 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
10x10 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
10x4 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $21.99
10x4 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

10x4 2 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
 12
12" Linear Slot Diffuser - 2 Slot - AC Vent Cover - HVAC Register
Price: $21.99
12" Linear Slot Diffuser - 2 Slot - AC Vent Cover - HVAC Register

12" 2 Slot, 9.8 Effective Velocity (ft/s)
106.7 CFM (Ft3/Min)
100% Aluminum
12x12 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
12x4 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $23.99
12x4 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

12x4 2 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
6x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
6x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $24.99
6x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

6x6 3 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
14x4 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
14x4 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $25.99
14x4  Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

14x4 2 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
18
18" Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $25.99
18" Linear Slot Diffuser - AC Vent Cover - HVAC Register

18" 2 Slot, 9.8 Effective Velocity (ft/s)
106.7 CFM (Ft3/Min)
100% Aluminum
8x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
8x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $25.99
8x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

8x6 3 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
10x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
10x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $26.99
10x6  Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

10x6 Standard DIFFUSER, 3 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
16x4 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
16x4 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $26.99
16x4 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

16x4 2 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
12x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
12x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $28.99
12x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

12x6, 3 Slot, 9.8 Effective Velocity (ft/s)
533.6 CFM (Ft3/Min)
100% Aluminum
14x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
14x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $29.99
14x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

14x6 3 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
24
24" Linear Slot Diffuser - 2 Slot - AC Vent Cover - HVAC Register
Price: $29.99
24" Linear Slot Diffuser - 2 Slot - AC Vent Cover - HVAC Register

24" 2 Slot, 9.8 Effective Velocity (ft/s)
213.5CFM (Ft3/Min)
100% Aluminum
8x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
8x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $31.99
8x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

8x8 4 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
10x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
10x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $34.99
10x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

10x8 4 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
16x4 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
16x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $34.99
16x6  Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

16x6 3 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
18x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
18x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $35.99
18x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

18x6 3 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
12x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
12x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $36.49
12x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

12x8 4 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
14x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
14x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $37.99
14x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

14x8 4 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
10x10 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
10x10 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $39.99
10x10 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

10x10 5 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
20x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
20x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $39.99
20x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

20x6 3 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
36
36" Linear Slot Diffuser - 2 Slot - AC Vent Cover - HVAC Register
Price: $39.99
36" Linear Slot Diffuser - 2 Slot - AC Vent Cover - HVAC Register

36" 2 Slot, 9.8 Effective Velocity (ft/s)
320.2 CFM (Ft3/Min)
100% Aluminum
16x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
16x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $40.99
16x8  Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

16x8 3 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
12x10 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
12x10 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $42.99
12x10 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

12x10 5 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
18x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
18x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $42.99
18x8 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

18x8 4 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
14x10 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
14x10 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $44.99
14x10 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

14x10 5 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
24x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
24x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $45.99
24x6 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

24x6 3 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
12x12 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
12x12 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register
Price: $49.99
12x12 Standard Linear Slot Diffuser - AC Vent Cover - HVAC Register

12x12 6 Slot, 9.8 Effective Velocity (ft/s)
100% Aluminum
 48
48" Linear Slot Diffuser - 2 Slot - AC Vent Cover - HVAC Register
Price: $49.99
48" Linear Slot Diffuser - 2 Slot - AC Vent Cover - HVAC Register

48" 2 Slot, 9.8 Effective Velocity (ft/s)
426.9 CFM (Ft3/Min)
100% Aluminum
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