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Grilles Registers, Vents,

Registers, Vents, Grilles

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    18 in. Width x 12 in. Height

    18" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 20 5/8" X 14 5/8"]
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    18" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 20 5/8" X 14 5/8"] $50.53 USD
    18" X 12" Air Vent Return Grilles - Sidewall and Ceiling - Steel
    18" X 12" Air Vent Return Grilles - Sidewall and Ceiling - Steel
    (9)
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    18" X 12" Air Vent Return Grilles - Sidewall and Ceiling - Steel $31.84 USD Out of Stock
    18" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 20 5/8" X 14 5/8"]
    (10)
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    18" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 20 5/8" X 14 5/8"] $61.56 USD Out of Stock
    18" x 12" Return Air Filter Grille * Filter Included * - Removable Face/Door - HVAC VENT DUCT COVER
    18" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 20 5/8" X 20 5/8"]
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    18" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 20 5/8" X 20 5/8"] $49.16 USD
    18" x 12" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 17.75 X 11.75] 3-Pack
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    18" x 12" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 17.75 X 11.75] 3-Pack $26.39 USD
    18"w X 12"h Aluminum Outdoor Weather Proof Louvers - Rain & Waterproof Air Vent With Screen Mesh
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    18"w X 12"h Aluminum Outdoor Weather Proof Louvers - Rain & Waterproof Air Vent With Screen Mesh $51.59 USD
    18" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling
    (11)
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    18" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling $59.03 USD Out of Stock
    18"w X 12"h Aluminum Privacy Door HVAC Air Grille - "V" Shaped Louvers Ensure 100% View Block - Supply or Return
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    18"w X 12"h Aluminum Privacy Door HVAC Air Grille - "V" Shaped Louvers Ensure 100% View Block - Supply or Return $47.22 USD
    18" x 12" Pleated MERV 8 Allergen Filter for HVAC Return Filter Grille
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    18" x 12" Pleated MERV 8 Allergen Filter for HVAC Return Filter Grille $10.13 USD Out of Stock
    18" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter
    18" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter
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    18" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter $43.95 USD Out of Stock
    12" x 18" or 18" x 12" Cube Core Eggcrate Return Air Grille
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    12" x 18" or 18" x 12" Cube Core Eggcrate Return Air Grille $41.04 USD
    18" X 12" Aluminum Return Grille - Easy Airflow - Linear Bar Grilles
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    18" X 12" Aluminum Return Grille - Easy Airflow - Linear Bar Grilles $40.70 USD Out of Stock
    18" X 8" Aluminum Return Grille - Easy Air Flow - Linear Bar Grilles
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    18" X 8" Aluminum Return Grille - Easy Air Flow - Linear Bar Grilles $36.94 USD Out of Stock
    18" X 12" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
    (10)
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    18" X 12" 3-Way AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face $26.50 USD Out of Stock
    18" X 12" 2-Way Vertical AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face
    (10)
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    18" X 12" 2-Way Vertical AIR SUPPLY GRILLE - DUCT COVER & DIFFUSER - Flat Stamped Face $26.99 USD Out of Stock