$53.00
C-box Hvac Plenum Ceiling Box With Price History Tracking
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$53
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$257
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3" Air Duct Plenum
$153.99
Plenum Box For CMJ450, 453, 455 and 500
C-box Hvac Plenum Ceiling Box
![BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart - Linear Slot Diffusers - C-box Hvac Plenum Ceiling Box](https://cdn.shopify.com/s/files/1/0404/1847/6200/files/48Inch2SlotPlenumMain_300x.jpg?v=1755904527)
![BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart - Linear Slot Diffusers - C-box Hvac Plenum Ceiling Box](https://cdn.shopify.com/s/files/1/0404/1847/6200/files/36Inch2SlotPlenumMain_300x.jpg?v=1755904526)
![BUILDMART - 72" Plenum Box for [72" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart - Vent Cover - C-box Hvac Plenum Ceiling Box](https://cdn.shopify.com/s/files/1/0570/4830/1641/files/72Inch3SlotPlenumMain_300x.jpg?v=1754934175)
![BUILDMART - 12" Plenum Box for [12" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart - Vent Cover - C-box Hvac Plenum Ceiling Box](https://cdn.shopify.com/s/files/1/0570/4830/1641/files/12Inch2SlotPlenumMain_300x.jpg?v=1761185259)
![BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart - Vent Cover - C-box Hvac Plenum Ceiling Box](https://cdn.shopify.com/s/files/1/0570/4830/1641/files/18Inch2SlotPlenumMain_300x.jpg?v=1761185356)
![BUILDMART - 24" Plenum Box for [24" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart - Vent Cover - C-box Hvac Plenum Ceiling Box](https://cdn.shopify.com/s/files/1/0570/4830/1641/files/24Inch2SlotPlenumMain_300x.jpg?v=1761185367)
![BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart Store - C-box Hvac Plenum Ceiling Box](https://cdn.shopify.com/s/files/1/0567/3749/7130/files/36Inch1SlotPlenumMain_300x.jpg?v=1754430447)
$179.99
![BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart Store - C-box Hvac Plenum Ceiling Box](https://cdn.shopify.com/s/files/1/0567/3749/7130/files/18Inch1SlotPlenumMain_300x.jpg?v=1754430443)
$119.99
![BUILDMART - 12" Plenum Box for [12" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart Store - C-box Hvac Plenum Ceiling Box](https://cdn.shopify.com/s/files/1/0567/3749/7130/files/12Inch1SlotPlenumMain_300x.jpg?v=1754430442)
$104.99
$4,077.00
Uniflair ACPL75180 Plenum Chamber
C-box Hvac Plenum Ceiling Box
![BUILDMART - 24" Plenum Box for [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart - Linear Slot Diffusers - C-box Hvac Plenum Ceiling Box](https://cdn.shopify.com/s/files/1/0404/1847/6200/files/24Inch1SlotPlenumMain_300x.jpg?v=1755904508)
![BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart - Linear Slot Diffusers - C-box Hvac Plenum Ceiling Box](https://cdn.shopify.com/s/files/1/0404/1847/6200/files/36Inch1SlotPlenumMain_300x.jpg?v=1755904507)
![BUILDMART - 60 Inch Plenum Box for [60 Inch Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart - Texas Buildmart - C-box Hvac Plenum Ceiling Box](https://cdn.shopify.com/s/files/1/0638/7656/3172/files/60x3_up_300x.jpg?v=1756148249)
![BUILDMART - 24 Inch Plenum Box for [24 Inch Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart - Texas Buildmart - C-box Hvac Plenum Ceiling Box](https://cdn.shopify.com/s/files/1/0638/7656/3172/files/24Inch3SlotPlenumMain_300x.jpg?v=1756148245)
![BUILDMART - 36 Inch Plenum Box for [36 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart - Texas Buildmart - C-box Hvac Plenum Ceiling Box](https://cdn.shopify.com/s/files/1/0638/7656/3172/files/36Inch1SlotPlenumMain_300x.jpg?v=1756148136)
![BUILDMART - 24 Inch Plenum Box for [24 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas Buildmart - Texas Buildmart - C-box Hvac Plenum Ceiling Box](https://cdn.shopify.com/s/files/1/0638/7656/3172/files/24Inch2SlotPlenumMain_300x.jpg?v=1756148116)
![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 - Texas Buildmart - C-box Hvac Plenum Ceiling Box](https://cdn.shopify.com/s/files/1/0638/7656/3172/files/48Inch2SlotPlenumMain_300x.jpg?v=1756148112)
$53.00
3" Air Duct Plenum
C-box Hvac Plenum Ceiling Box
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