16 in. Width x 12 in. Height

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16" X 12" Air Vent Return Grilles - Sidewall and Ceiling - Steel
16" X 12" Air Vent Return Grilles - Sidewall and Ceiling - Steel
$34.80
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(23)
 
16"w X 12"h Aluminum Outdoor Weather Proof Louvers - Rain & Waterproof Air Vent With Screen Mesh
16"w X 12"h Aluminum Outdoor Weather Proof Louvers - Rain & Waterproof Air Vent With Screen Mesh
$328.49
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(1)
 
16" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling
16" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling
$52.35
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(15)
 
16" X 12" Steel Return Air Filter Grille for 1" Filter Removable Face/Door
16" X 12" Steel Return Air Filter Grille for 1" Filter Removable Face/Door
$42.59
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(14)
 
16" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter
16" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter
$42.96
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16" X 12" 2-Way Vertical AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
16" X 12" 2-Way Vertical AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
$25.99
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(18)