18 in. Width x 8 in. Height

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18" X 8" Air Vent Return Grilles - Sidewall and Ceiling - Steel
18" X 8" Air Vent Return Grilles - Sidewall and Ceiling - Steel
$23.95
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(3)
 
18" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling
18" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling
$42.99
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  • In Stock
(1)
 
18" X 8" 2-Way Vertical AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
18" X 8" 2-Way Vertical AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
$26.95
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(3)
 
18" x 8"" Steel Return Air Filter Grill for 1" Filter Removable Face/Door
18" x 8"" Steel Return Air Filter Grill for 1" Filter Removable Face/Door
$29.95
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18" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter
18" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter
$34.95
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18"w X 8"h Aluminum Exterior Crawlspace Vent - Rain & Waterproof Air Vent With Screen Mesh
18"w X 8"h Aluminum Exterior Crawlspace Vent - Rain & Waterproof Air Vent With Screen Mesh
$45.95
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18" X 8" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
18" X 8" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
$26.95
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  • In Stock
(3)
 
18"w X 8"h Aluminum Adjustable Return/Supply HVAC Air Grille - Full Control Horizontal Airflow Direction Single Deflection
18"w X 8"h Aluminum Adjustable Return/Supply HVAC Air Grille - Full Control Horizontal Airflow Direction Single Deflection
$31.95
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18" X 8" Air Vent Return Grilles - Sidewall and Ceiling - Steel
18" X 8" Air Vent Return Grilles - Sidewall and Ceiling - Steel
$11.99
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  • Currently Out Of Stock