20 in. Width x 12 in. Height

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20" X 12" Air Vent Return Grilles - Sidewall and Ceiling - Steel
20" X 12" Air Vent Return Grilles - Sidewall and Ceiling - Steel
$15.09
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(16)
 
20" X 12" Steel Return Air Filter Grille for 1" Filter Fixed Hinged
20" X 12" Steel Return Air Filter Grille for 1" Filter Fixed Hinged
$34.99
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  • Currently Out Of Stock
(4)
 
20" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter
20" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter
$48.95
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20" X 12" Steel Return Air Filter Grille for 1" Filter Removable Face/Door
20" X 12" Steel Return Air Filter Grille for 1" Filter Removable Face/Door
$37.95
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20"w X 12"h Aluminum Exterior Crawlspace Vent - Rain & Waterproof Air Vent With Screen Mesh
20"w X 12"h Aluminum Exterior Crawlspace Vent - Rain & Waterproof Air Vent With Screen Mesh
$61.95
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20" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling
20" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling
$78.99
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20" X 12" Steel Return Air Filter Grille for 1" Filter Removable Face/Door
20" X 12" Steel Return Air Filter Grille for 1" Filter Removable Face/Door
$35.99
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(1)
 
20" x 12" Fixed Bar Return Grille - Sidewall and Ceiling
20" x 12" Fixed Bar Return Grille - Sidewall and Ceiling
$45.95
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20" X 12" Air Vent Return Grilles - Sidewall and Ceiling - Steel
20" X 12" Air Vent Return Grilles - Sidewall and Ceiling - Steel
$23.95
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(2)
 
20" X 12" 2-Way Vertical AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
20" X 12" 2-Way Vertical AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
$29.99
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20" X 12" Air Vent Return Grilles - Sidewall and Ceiling - Steel
20" X 12" Air Vent Return Grilles - Sidewall and Ceiling - Steel
$17.99
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  • Currently Out Of Stock