12 in. Width x 12 in. Height - hvacpremiumb.shop

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12" X 12" Plastic Access Panel Removable/Reversible Door With Frame For Concealed Wall / Ceiling Application - [Outer Dimensions: 14" Width X 14" Height]

$17.99 $19.99

12" X 12" Baseboard Return Air Grille - HVAC Vent Duct Cover - 7/8" Margin Turnback For Flush Fit With Baseboard Work - White

$22.00 $24.99

12" X 12" Outdoor Return Air Grille – For Outdoor Use - HVAC Vent Duct Cover Diffuser – [1.0mm Polished Aluminum] [Outer Dimensions: 13.75w X 13.75h]

$23.99 $26.00

12"W X 12"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 13.75"H]

$24.00 $26.99

12" X 12" Universal Aluminum Access Panel Door For Wall / Ceiling Application (Push-Lock) With Solid Frame - [Outer Dimensions: 13" Width X 13" Height]

$26.99 $29.99

12"W X 12"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 13.75"H]

$28.00 $31.00

12" X 12" [Duct Opening] 2-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H]

$29.99 $33.00

12" X 12" [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H]

$29.99 $33.00

12" x 12" Cube Core Eggcrate Return Air Grille

$32.00 $35.99

12" X 12" Sound Rated Steel Access Panel Felt Covered Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 13" Width X 13" Height]

$33.00 $36.99

12"W X 12"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 13.75"H]

$35.00 $39.00

12"w X 12"h [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H]

$35.99 $39.99

12"w X 12"h [Duct Opening] 3-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H]

$35.99 $39.99

12" x 12" Steel Fixed Bar Return Grille - Sidewall and Ceiling

$37.00 $41.00

12" [Duct Opening] Round Ceiling Diffuser - Easy Air Flow - HVAC Vent Duct Cover [Black] - [Total Outer Dimensions: 16"]

$38.99 $43.00

12" X 12" 4-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White

$39.00 $43.99

12"W X 12"H [Duct Opening] Never Rust Plastic 4-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 13.75"W X 13.75"H]

$39.99 $44.00

12" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 14 5/8"]

$40.99 $45.00

12"w X 12"h [Duct Opening] 4-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H]

$41.00 $45.99

3-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White

3-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White

$41.00 $45.99

12" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 14 5/8" X 14 5/8"]

$41.00 $46.00

12" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included *[Outer Dimensions: 14 5/8" X 14 5/8"]

$42.00 $47.00

12" X 12" Aluminum Access Panel Gypsum Board/Sheet Rock Door For Wall / Ceiling Application (PUSH-LOCK DOOR) With Frame - [Outer Dimensions: 13" Width X 13" Height]

$44.00 $49.00

12"W X 12"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 13.875"H]

$44.00 $49.00