12 in. Width x 6 in. Height

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12" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling
12" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling
$25.01
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(1)
 
12" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling
12" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling
$23.49
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(18)
 
12" x 6"" Steel Return Air Filter Grill for 1" Filter Removable Face/Door
12" x 6"" Steel Return Air Filter Grill for 1" Filter Removable Face/Door
$22.60
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12" X 6" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
12" X 6" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
$16.96
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(10)
 
12" X 6" Air Vent Return Grilles - Sidewall and Ceiling - Steel
12" X 6" Air Vent Return Grilles - Sidewall and Ceiling - Steel
$12.09
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(23)
 
12" x 6" - 1-Way Air Vent - Adjustable Aluminum Curved Blades - Maximum Air Flow - HVAC Grille
12" x 6" - 1-Way Air Vent - Adjustable Aluminum Curved Blades - Maximum Air Flow - HVAC Grille
$32.87
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(16)
 
12" X 6" Floor Register with Louvered Design - Heavy Duty Rigid Floor Air Supply with Damper & Lever - Brown
12" X 6" Floor Register with Louvered Design - Heavy Duty Rigid Floor Air Supply with Damper & Lever - Brown
$17.55
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12" X 6" 2-Way Vertical AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
12" X 6" 2-Way Vertical AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
$19.92
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(7)
 
12"w X 6"h 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC DIFFUSER Full Control Vertical/Horizontal Airflow Direction
12"w X 6"h 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC DIFFUSER Full Control Vertical/Horizontal Airflow Direction
$30.96
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12"w X 6"h Aluminum Outdoor Weather Proof Louvers - Rain & Waterproof Air Vent With Screen Mesh
12"w X 6"h Aluminum Outdoor Weather Proof Louvers - Rain & Waterproof Air Vent With Screen Mesh
$68.77
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12"w x 6"h 3-Way FIXED CURVED BLADE AIR SUPPLY DIFFUSER
12"w x 6"h 3-Way FIXED CURVED BLADE AIR SUPPLY DIFFUSER
$18.12
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(7)
 
12" x 6" Fixed Bar Return Grille - Sidewall and Ceiling
12" x 6" Fixed Bar Return Grille - Sidewall and Ceiling
$24.63
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(5)
 
12" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter
12" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter
$28.36
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12" X 6" Air Vent Return Grilles - Sidewall and Ceiling - Steel
12" X 6" Air Vent Return Grilles - Sidewall and Ceiling - Steel
$16.20
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(16)
 
12"w X 6"h Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - Full Control Vertical/Horizontal Airflow Direction
12"w X 6"h Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - Full Control Vertical/Horizontal Airflow Direction
$25.71
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(34)
 
12w X 6"h Never Rust Plastic 3-Way Air Supply Register - HVAC Vent Duct Grille - Off White
12w X 6"h Never Rust Plastic 3-Way Air Supply Register - HVAC Vent Duct Grille - Off White
$19.56
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12" X 6" 2-Way-Horizontal FIXED CURVED BLADE AIR SUPPLY DIFFUSER
12" X 6" 2-Way-Horizontal FIXED CURVED BLADE AIR SUPPLY DIFFUSER
$17.68
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(13)
 
12" X 6" 1-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
12" X 6" 1-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
$21.56
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(9)
 
12" x 6" - 3-Way Air Vent - Adjustable Aluminum Curved Blades - Maximum Air Flow - HVAC Grille
12" x 6" - 3-Way Air Vent - Adjustable Aluminum Curved Blades - Maximum Air Flow - HVAC Grille
$33.46
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12" x 6" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 11.75 X 5.75] 3-Pack
12" x 6" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 11.75 X 5.75] 3-Pack
$28.12
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12"w x 6"h 1-Way FIXED CURVED BLADE AIR SUPPLY DIFFUSER
12"w x 6"h 1-Way FIXED CURVED BLADE AIR SUPPLY DIFFUSER
$17.61
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(7)
 
12" X 6" 2-Way-Vertical FIXED CURVED BLADE AIR SUPPLY DIFFUSER
12" X 6" 2-Way-Vertical FIXED CURVED BLADE AIR SUPPLY DIFFUSER
$13.99
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12" X 6" Air Vent Return Grilles - Sidewall and Ceiling - Steel
12" X 6" Air Vent Return Grilles - Sidewall and Ceiling - Steel
$13.42
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(20)