//Remarketing Code - Shopify Quartile // END - Remarking BUILDMART - 48 Inch Plenum Box for [48 Inch Linear Slot Diffuser - (2 Slot) Double Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart
Front of 48 Inch 2 Slot Linear Air Vent Plenum Box - 48 Inch 2 Slot Linear Diffuser HVAC Duct - Texas Buildmart
Side of 48 Inch 2 Slot Linear Air Vent Plenum Box - 48 Inch 2 Slot Linear Diffuser HVAC Duct - Texas Buildmart
Top of 48 Inch 2 Slot Linear Air Vent Plenum Box - 48 Inch 2 Slot Linear Diffuser HVAC Duct - Texas Buildmart
Kitchen View of 48 Inch 2 Slot Linear Air Vent Plenum Box - 48 Inch 2 Slot Linear Diffuser HVAC Duct - Texas Buildmart
Living Room View of 48 Inch 2 Slot Linear Air Vent Plenum Box - 48 Inch 2 Slot Linear Diffuser HVAC Duct - Texas Buildmart
Lifestyle 3 of 48 Inch 2 Slot Linear Air Vent Plenum Box - 48 Inch 2 Slot Linear Diffuser HVAC Duct - Texas Buildmart
Brochure of 48 Inch 2 Slot Linear Air Vent Plenum Box - 48 Inch 2 Slot Linear Diffuser HVAC Duct - Texas Buildmart
  • Front of 48 Inch 2 Slot Linear Air Vent Plenum Box - 48 Inch 2 Slot Linear Diffuser HVAC Duct - Texas Buildmart
  • Side of 48 Inch 2 Slot Linear Air Vent Plenum Box - 48 Inch 2 Slot Linear Diffuser HVAC Duct - Texas Buildmart
  • Top of 48 Inch 2 Slot Linear Air Vent Plenum Box - 48 Inch 2 Slot Linear Diffuser HVAC Duct - Texas Buildmart
  • Kitchen View of 48 Inch 2 Slot Linear Air Vent Plenum Box - 48 Inch 2 Slot Linear Diffuser HVAC Duct - Texas Buildmart
  • Living Room View of 48 Inch 2 Slot Linear Air Vent Plenum Box - 48 Inch 2 Slot Linear Diffuser HVAC Duct - Texas Buildmart
  • Lifestyle 3 of 48 Inch 2 Slot Linear Air Vent Plenum Box - 48 Inch 2 Slot Linear Diffuser HVAC Duct - Texas Buildmart
  • Brochure of 48 Inch 2 Slot Linear Air Vent Plenum Box - 48 Inch 2 Slot Linear Diffuser HVAC Duct - Texas Buildmart
Texas Buildmart

BUILDMART - 48 Inch Plenum Box for [48 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart

Regular price $169.99 Sale price $219.99 Unit price per

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  • Galvanized sheet metal Plenum Box with foam insulation, ideal for Texas Buildmart 48" lineal slot diffuser. This air-distribution box attaches directly to the supply of the HVAC equipment that heats or cools the air. Connects to: 8" flexible duct in oval shape. Can be used and brazed to a 4" or 6" wood stud. If you do not have this size flex, you can use a reducer to modify the size. Professional HVAC Installer is Recommended.
  • Ideal for Texas Buildmart 48" Lineal Slot Diffuser - 2 Slot
  • Galvanized sheet metal Plenum Box with foam insulation
  • Total Box Dimensions: L: 48 3/4" W: 4 3/4" H: 11 7/8"
  • Mouth Dimensions: L: 47 1/4" W: 3 7/16"
  • Entry size: 2 entries of 8" flex in oval shape
  • This air-distribution box attaches directly to the supply of the HVAC equipment that heats or cools the air
  • If you do not have this size flex, you can use a reducer to modify the size
  • We recommend using a "Y" shaped splitter to supply your plenum box with an even amount of airflow through your diffuser. 

48" 2 slot linear diffuser

 

Here's a link to the Diffuser that fits this Plenum Box:

48" Linear Slot Diffuser - 2 Slot - Double Slot Linear Diffuser - Texas Buildmart - Modern AC Vent Covers for Ceilings, Walls & Floors - Commercial Grade HVAC Registers, Grilles & Vents - Home Decor & Wall Decor for Amazon Home

 

48 2 slot vent

 

Here's a link to the Diffuser that fits this Plenum Box:

48" Linear Slot Diffuser - 2 Slot - Double Slot Linear Diffuser - Texas Buildmart - Modern AC Vent Covers for Ceilings, Walls & Floors - Commercial Grade HVAC Registers, Grilles & Vents - Home Decor & Wall Decor for Amazon Home

How to install Standard Linear Slot Diffuser:


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Miguel B. Verified Customer   
03-24-25

The product is very good and the material is of very good quality.

Questions & Answers
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Popular Questions

1 month ago
Can this be used for venting a gas fireplace?
1 month ago
Yes, it can be used for a gas fireplace. Our previous customers have successfully used it for this purpose. It can be used without the dampers to allow enough airflow if needed. If you have any other questions or need assistance, feel free to contact us at (956) 900-1103 or email us at Sales@texasbuildmart.com. We're happy to help!
0 | 0
1 year ago
Can these AC Linear diffuser be directed?
How will it be directed and how much can they be directed?
1 year ago
I am trying to find the proper CFM for a 12" vent cover I have in my living room but I don't know where to start
1 year ago
The CFM, or Cubic Feet per Minute, refers to the volume of air exchanged in a room per minute. It's calculated by dividing the room's volume by the air changes per hour. On average, a typical room undergoes around 7 air changes per hour. This figure is dependent on how often the air is recycled back to your return.
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1 year ago
Do these diffuser allow lower noise criteria? Or will it be the same as regular vents.
1 year ago
Hello there, Thank you for contacting Texas Buildmart. Our linear diffusers and standard units will provide a similar level of airflow as your CFM requirement. For instance, our linear diffusers can match the maximum airflow of your current 10x6 traditional vent cover, with the added advantage of enabling better air diffusion. For any further queries, feel free to reach us directly at (956)900-1103. Thank you.
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1 year ago
I want to know the difference so I know what to buy, do I need a standard diffuser or a linear diffuser to exchange from my old traditional vent covers.
1 year ago
Greetings, Thank you for your inquiry at Texas Buildmart. Our Modern AC Vent Cover has unique attributes compared to standard diffusers. Our linear diffuser's slender design offers a modern aesthetic while also providing superior airflow. It's streamlined, allowing for a 180-degree airflow spread, a feature that surpasses standard diffusers' 90-degree limitation. Additionally, our standard diffusers come pre-fitted for standard sizes, enabling a straightforward replacement process. If you seek a sleek, efficient diffuser, our Modern AC Vent Cover is an excellent choice.
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1 year ago
Can they be used as an exhaust vent?
1 year ago
Hello, thank you for contacting Texas Buildmart. Indeed, our linear diffusers can be repurposed as exhaust vents. We suggest removing the black dampers for optimal airflow. For further inquiries, please reach us at (956)900-1103. Thank you!
0 | 0
1 year ago
Would you have these in only black and white?
1 year ago


Greetings, Thank you for your inquiry at Texas Buildmart. We appreciate your interest. To answer your question, the items are indeed available in just black and white. However, they are paintable with any oil-based paint or epoxy, offering customization possibilities. If you need further assistance or have more queries, feel free to contact us directly at (956)900-1103. We're always here to help. … See full answer »
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1 year ago

On the website it shows the measurements of the inside and outside dimensions.
It doesn't show the depth of the vent cover, could you tell us the depth of the vent cover?
Thank you.

1 year ago
Greetings, Thank you for your inquiry with Texas Buildmart. The depth of our linear and standard vent covers is uniformly measured at 1 3/4". This measurement spans from the top faceplate to the bottom of the vent neck. Should you require further information or have additional questions, please don't hesitate to ask. We're always here to assist you!
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