Insulated Register Box(25)
Uses item details. Price when purchased online
BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling $199.99
![BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-36-Plenum-Box-for-36-Linear-Slot-Diffuser-2-Slot-Double-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_e132af03-131c-4155-a42b-2e0be78f00b0.88065a369b6a67c33376fa9cb87790f1.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Sponsored
$19999
current price $199.99BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 12 Plenum Box for [12 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling $99.99
![BUILDMART - 12 Plenum Box for [12 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-12-Plenum-Box-for-12-Linear-Slot-Diffuser-2-Slot-Double-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_4246d151-37dd-4373-9f0b-53af7d7ac0e6.a1e813f60fe19e9d97306a24c8ebbe10.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Sponsored
$9999
current price $99.99BUILDMART - 12 Plenum Box for [12 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling $219.99
![BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-36-Plenum-Box-for-36-Linear-Slot-Diffuser-3-Slot-Triple-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_a4f66fab-7188-4600-b0ea-004c133892de.69d01ae22729d8680f5f12e2c39bc63e.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Sponsored
$21999
current price $219.99BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling $169.99
![BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-36-Plenum-Box-for-36-Linear-Slot-Diffuser-1-Slot-Single-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_eb014e6e-cb07-4604-af78-31c266dbb602.a0c47ac00a56be5a870c1adaed77f32f.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Sponsored
$16999
current price $169.99BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling
F&L R4 Insulated Galvanized Ceiling Register Box - Connects Register Vent and Diffuser, HVAC Duct Boot" (10" X 4") From $30.99
29 options
Available in additional 29 optionsFrom$3099
F&L R4 Insulated Galvanized Ceiling Register Box - Connects Register Vent and Diffuser, HVAC Duct Boot" (10" X 4")
GAF Master Flow 12 in. x 12 in. Duct Board R6 Insulated Register Box
4 options
Available in additional 4 optionsGAF Master Flow 12 in. x 12 in. Duct Board R6 Insulated Register Box
BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling $259.99
![BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-60-Plenum-Box-for-60-Linear-Slot-Diffuser-1-Slot-Single-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_e4040341-4a11-4a5d-8595-e3c60e636940.bdb367bac4829a68ff6c6bd832e98308.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$25999
current price $259.99BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling $169.99
$16999
current price $169.99BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling $219.99
$21999
current price $219.99BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling $319.99
![BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-60-Plenum-Box-for-60-Linear-Slot-Diffuser-3-Slot-Triple-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_9b0e613a-a415-41a5-8911-136414882002.28aa159fb8a282b94c755664adeed42e.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$31999
current price $319.99BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling $259.99
Sponsored
$25999
current price $259.99BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling $279.99
![BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-48-Plenum-Box-for-48-Linear-Slot-Diffuser-3-Slot-Triple-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_b41b7783-a0f4-488c-9fe4-c5402e55a456.662a1dbe3dfde6b6af6944912c96b693.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Sponsored
$27999
current price $279.99BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling $219.99
![BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-48-Plenum-Box-for-48-Linear-Slot-Diffuser-1-Slot-Single-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_019a3489-a8ba-472c-abf9-bf54fd6ab19c.c891f3e13975e3b4fcd76dc7b4909558.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$21999
current price $219.99BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling $279.99
$27999
current price $279.99BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 12 Plenum Box for [12 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling $99.99
$9999
current price $99.99BUILDMART - 12 Plenum Box for [12 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 24" Plenum Box for [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling $129.99
![BUILDMART - 24" Plenum Box for [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-24-Plenum-Box-for-24-Linear-Slot-Diffuser-1-Slot-Single-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_118fb2dd-c95d-40f3-b431-cb81ed9c232d.47037a1c1b51ab0d619329d1cba252b1.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$12999
current price $129.99BUILDMART - 24" Plenum Box for [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling $139.99
![BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-18-Plenum-Box-for-18-Linear-Slot-Diffuser-3-Slot-Triple-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_f90e7eab-0304-41a0-80c2-d3bb1b5f1c4e.976fc5c65e5c26eaa279a49b8b994187.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$13999
current price $139.99BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling $199.99
$19999
current price $199.99BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling $119.99
![BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-18-Plenum-Box-for-18-Linear-Slot-Diffuser-2-Slot-Double-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_d399be04-7f0d-4d47-bcd3-1732cea25070.01bce4d8088633641244909e2252f867.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$11999
current price $119.99BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 72" Plenum Box for [72" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling $359.99
![BUILDMART - 72" Plenum Box for [72" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-72-Plenum-Box-for-72-Linear-Slot-Diffuser-3-Slot-Triple-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_360514f4-e185-4deb-91b9-6c71deb44c79.88fabe13970c811ac0e98f8507bb4345.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$35999
current price $359.99BUILDMART - 72" Plenum Box for [72" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling $119.99
Sponsored
$11999
current price $119.99BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 24" Plenum Box for [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling $129.99
Sponsored
$12999
current price $129.99BUILDMART - 24" Plenum Box for [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 60 Plenum Box for [60 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling $289.99
![BUILDMART - 60 Plenum Box for [60 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-60-Plenum-Box-for-60-Linear-Slot-Diffuser-2-Slot-Double-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_db839baf-0714-49ce-8ff0-f4cf1ca7ef73.fc69fd740b45988d4997a977635dba2e.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$28999
current price $289.99BUILDMART - 60 Plenum Box for [60 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling $319.99
Sponsored
$31999
current price $319.99BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 72" Plenum Box for [72" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling $359.99
Sponsored
$35999
current price $359.99BUILDMART - 72" Plenum Box for [72" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling
Other options to consider(65)
GAF Master Flow 10 in. x 4 in. to 6 in. 90-Degree Register Box $157.53
$15753
current price $157.53GAF Master Flow 10 in. x 4 in. to 6 in. 90-Degree Register Box
M&M Manufacturing 640R610108 - Register Box R6 (640R610108) $25.19
$2519
current price $25.19M&M Manufacturing 640R610108 - Register Box R6 (640R610108)
M&M Manufacturing 649R61212 - Register Box R6 Without Ducting Holes 9 In. Tall $61.42
$6142
current price $61.42M&M Manufacturing 649R61212 - Register Box R6 Without Ducting Holes 9 In. Tall
15 out of 5 Stars. 1 reviews
M&M Manufacturing 643R61066 - Sidewall R6 Register Box (643R61066) $38.39
$3839
current price $38.39M&M Manufacturing 643R61066 - Sidewall R6 Register Box (643R61066)
hamilton home products 20415 return air box - 21 in. wide, model no. rab21 $200.00
$20000
current price $200.00hamilton home products 20415 return air box - 21 in. wide, model no. rab21
Uxcell HVAC Straight Through Ceiling Register Box, 6" x 6" x 6" Galvanized Steel Ductwork Box Vent Connector for Air Conditioner Fan Outlet Diffuser HVAC, Fits 6" Round Duct, Silver Tone $60.49
$6049
current price $60.49Uxcell HVAC Straight Through Ceiling Register Box, 6" x 6" x 6" Galvanized Steel Ductwork Box Vent Connector for Air Conditioner Fan Outlet Diffuser HVAC, Fits 6" Round Duct, Silver Tone
M&M Manufacturing 640R6666 - Register Box R6 (640R6666) $40.95
$4095
current price $40.95M&M Manufacturing 640R6666 - Register Box R6 (640R6666)
Uxcell HVAC Straight Through Ceiling Register Box, 8" x 8" x 6" Galvanized Steel Ductwork Box Vent Connector for Air Conditioner Fan Outlet Diffuser HVAC, Fits 6" Round Duct, Silver Tone $104.49
$10449
current price $104.49Uxcell HVAC Straight Through Ceiling Register Box, 8" x 8" x 6" Galvanized Steel Ductwork Box Vent Connector for Air Conditioner Fan Outlet Diffuser HVAC, Fits 6" Round Duct, Silver Tone
Uxcell HVAC Straight Through Ceiling Register Box, 8" x 8" x 8" Galvanized Steel Ductwork Box Vent Connector for Air Conditioner Fan Outlet Diffuser HVAC, Fits 8" Round Duct, Silver Tone $104.49
$10449
current price $104.49Uxcell HVAC Straight Through Ceiling Register Box, 8" x 8" x 8" Galvanized Steel Ductwork Box Vent Connector for Air Conditioner Fan Outlet Diffuser HVAC, Fits 8" Round Duct, Silver Tone
M&M Manufacturing 643R61468 - Sidewall R6 Register Box (643R61468) $43.81
$4381
current price $43.81M&M Manufacturing 643R61468 - Sidewall R6 Register Box (643R61468)
Hamilton Home Products 20414 Return Air Box - 17. 25 inch Wide, Model No. RAB17 $160.00
$16000
current price $160.00Hamilton Home Products 20414 Return Air Box - 17. 25 inch Wide, Model No. RAB17
Duct Outlet 10" x 10" Ceiling Box, w/ 10" Round Collar - Connects Register Vent and Diffuser HVAC From $23.99
14 options
Available in additional 14 optionsFrom$2399
Duct Outlet 10" x 10" Ceiling Box, w/ 10" Round Collar - Connects Register Vent and Diffuser HVAC
154.4 out of 5 Stars. 15 reviews
M&M Manufacturing 641R61067 - Register R6 Box W/Snap Rail Flange $27.71
$2771
current price $27.71M&M Manufacturing 641R61067 - Register R6 Box W/Snap Rail Flange
M&M Manufacturing 640R61288 - Register Box R6 $25.00
$2500
current price $25.00M&M Manufacturing 640R61288 - Register Box R6
15 out of 5 Stars. 1 reviews
12" x 12" Ceiling Box, w/ 12" Round Collar - Connects Register Vent and Diffuser HVAC $53.99
$5399
current price $53.9912" x 12" Ceiling Box, w/ 12" Round Collar - Connects Register Vent and Diffuser HVAC
50+ bought since yesterday Imperial 4-inch x 10-inch Chocolate Steel Painted Louvered Floor Register, Powder-coated, with Plastic Boot, 1-way
50+ bought since yesterday
Imperial 4-inch x 10-inch Chocolate Steel Painted Louvered Floor Register, Powder-coated, with Plastic Boot, 1-way
9014.4 out of 5 Stars. 901 reviews
WYLEX - IP65 Insulated Enclosure with Visor $69.95
$6995
current price $69.95WYLEX - IP65 Insulated Enclosure with Visor
Sure Vent Wall Box with Grill Faceplate $37.60
$3760
current price $37.60Sure Vent Wall Box with Grill Faceplate
Imperial 4-inch x 12-inch Black Plastic Louvered, Floor Register, Rectangular, Household Vent Cover
2 options
Available in additional 2 optionsImperial 4-inch x 12-inch Black Plastic Louvered, Floor Register, Rectangular, Household Vent Cover
7754.4 out of 5 Stars. 775 reviews
M Buder Thermostat Lock Box Large Universal Locking Thermostat Cover Clear Guard Acrylic Heavy Duty Protection Box with Key for Home Office Wall Pack of 1 (20 x 13 x 6 inches / 50.8 x 33.0 x 15.2 cm) $13.63 Was $23.63
Now$1363
current price Now $13.63, Was $23.63$23.63
M Buder Thermostat Lock Box Large Universal Locking Thermostat Cover Clear Guard Acrylic Heavy Duty Protection Box with Key for Home Office Wall Pack of 1 (20 x 13 x 6 inches / 50.8 x 33.0 x 15.2 cm)
M&M Manufacturing 640R6866 - Register Box R6 (640R6866) $43.32
$4332
current price $43.32M&M Manufacturing 640R6866 - Register Box R6 (640R6866)
16" x 16" Ceiling Box, w/ 12" Round Collar - Connects Register Vent and Diffuser HVAC $62.48
$6248
current price $62.4816" x 16" Ceiling Box, w/ 12" Round Collar - Connects Register Vent and Diffuser HVAC
AURARMLET 4Pcs Weatherproof Plastic Storage Bin Vent with Screen for Condensation Control $16.99
$1699
current price $16.99AURARMLET 4Pcs Weatherproof Plastic Storage Bin Vent with Screen for Condensation Control
Imperial 4-inch x 10-inch Chocolate Steel Painted Louvered, Floor Register, Rectangular, Household Vent Cover
2 options
Available in additional 2 optionsImperial 4-inch x 10-inch Chocolate Steel Painted Louvered, Floor Register, Rectangular, Household Vent Cover
7754.4 out of 5 Stars. 775 reviews
Imperial Louvered Floor Register - Pack of 2 $26.93
$2693
current price $26.93Imperial Louvered Floor Register - Pack of 2
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