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18"W x 18"H Steel Adjustable Air Supply Grille | Register Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 19.75"W X 19.75"H for 18x18 Duct OpeningVendor: HanduaAdjustable Air Supply Grille for 18x18 Duct Opening, White, Steel Adjustable spaced fins. Primary use: Side wall and ceiling. Screws are included with the system, standard. All-steel construction. Durable white powder coated. Standard color is white (Ral9016).How To Measure A GrilleAlways measure the size...
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- $50.03
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18" X 18" Duct Opening | Steel Return Air Grille for Sidewall and Ceiling | Outer Dimensions: 19.75"W X 19.75"HVendor: Handua18" X 18" Steel Return Air Grille | HVAC Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 19.75"W X 19.75"H for 18x18 Duct Opening Return Air Grille for 18"x18" Duct Opening, White, Steel1/2"spaced fins set at 40 degrees.Primary use: Side wall...
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- $36.53
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18" X 18" Duct Opening | Steel Return Air Filter Grille [Fixed Hinged] for Sidewall and Ceiling | Outer Dimensions: 20 5/8"W X 20 5/8"HVendor: Handua18" X 18" Steel Return Air Filter Grille [Fixed Hinged] for 1-inch Filters | HVAC Duct Cover Grille for Sidewall and Ceiling, White | Outer Dimensions: 20 5/8"W X 20 5/8"H for 18x18 Duct Opening Return Air Filter Grille for 18"x18" Duct Opening, White,...
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- $46.88
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18" X 18" Duct Opening | Steel Return Air Filter Grille for Sidewall and CeilingVendor: Handua18" X 18" Steel Return Air Filter Grille [Removable Face/Door] for 1-inch Filters HVAC Duct Cover Grill, White | Outer Dimensions: 20 5/8"W X 20 5/8"H for 18x18 Duct Opening Return Air Filter Grille for 18"x18" Duct Opening, White, Steel* 1/2"spaced fins set at...
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- $51.81
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18" X 18" Duct Opening | Filter Included Steel Return Air Filter Grille for Sidewall and CeilingVendor: Handua18" X 18" Filter Included Steel Return Air Filter Grille [Removable Face/Door] for 1-inch Filters HVAC Duct Cover Grill, White | Outer Dimensions: 20 5/8"W X 20 5/8"H for 18x18 Duct Opening Return Air Filter Grille (MERV 8 Filter Included) for 18"x18" Duct Opening,...
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- $53.68
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18"W x 18"H [Wall Opening] Anodized Aluminum Exterior Wall vent Gable shed for Crawlspace, Outdoor, Doors, Attic | Weatherproof, Rain&Rust Proof, Overall: 20"W X 20"HVendor: HanduaHandua 18 x 18 Weatherproof Rain & Rust Proof Water Resistant Anodized Aluminum Exterior Wall Vent Gable Shed for Crawlspace Outdoor Doors Attic Upgrade your exterior defense with the Handua 18x18 Weatherproof Aluminum Exterior Wall Vent. Crafted for optimal durability and timeless elegance, this...
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- $54.99
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30" X 6" Duct Opening | Steel Return Air Grille for Sidewall and Ceiling | Outer Dimensions: 31.75"W X 7.75"H
24" X 6" Duct Opening | Steel Return Air Grille for Sidewall and Ceiling | Outer Dimensions: 25.75"W X 7.75"H
14" X 8" Duct Opening | Steel Return Air Grille for Sidewall and Ceiling | Outer Dimensions: 15.75"W X 9.75"H
Vendor:
Handua
30" X 6" Steel Return Air Grille | HVAC Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 31.75"W X 7.75"H for 30x6 Duct Opening Return Air Grille for 30"x6" Duct Opening, White, Steel1/2"spaced fins set at 40 degrees.Primary use: Side wall...
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- $31.04
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Vendor:
Handua
24" X 6" Steel Return Air Grille | HVAC Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 25.75"W X 7.75"H for 24x6 Duct Opening Return Air Grille for 24"x6" Duct Opening, White, Steel1/2"spaced fins set at 40 degrees.Primary use: Side wall...
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- $35.99
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Vendor:
Handua
14" X 8" Steel Return Air Grille | HVAC Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 15.75"W X 9.75"H for 14x8 Duct Opening Return Air Grille for 14"x8" Duct Opening, White, Steel1/2"spaced fins set at 40 degrees.Primary use: Side wall...
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- $10.58
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![18" X 18" Duct Opening | Steel Return Air Filter Grille [Fixed Hinged] for Sidewall and Ceiling | Outer Dimensions: 20 5/8"W X 20 5/8"H](http://airgrilles.com/cdn/shop/files/18-18_1066x.jpg?v=1751353885)
![18"W x 18"H [Wall Opening] Anodized Aluminum Exterior Wall vent Gable shed for Crawlspace, Outdoor, Doors, Attic | Weatherproof, Rain&Rust Proof, Overall: 20"W X 20"H](http://airgrilles.com/cdn/shop/files/18-18_6b478667-5e6a-41a4-aad0-7d25a662497e_1066x.jpg?v=1757165928)
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