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Durable: these air vent covers for home floor 4x12 are made of durable Metal that can withstand the weight of an adult standing on them. Adjustable damper: the wheel on the side allows you to easily adjust the angle of the two damper blades to restrict airflow for the desired amount of heating or cooling in the room.






8 ft/s; neck: 11 7/8" x 3 7/8" - face: 13 15/16" x 5 15/16" the neck is the section that goes into the vent hole while the face is what will actually cover.
This model can be used as a supply vent cover and return vent cover - This is a non-filter model. Adds value to any wall, ceiling & floor space by updating not only the look but also the feel. This is a design and utility patent pending product* We make all sizes from 6x4 to 30x24 standard sized modern ac vent covers for the modern day home.

1. Decor Grates
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4x12 Inches, Decor Grates AJH412-NKL Oriental Floor Register, Brushed Nickel
#adDecor Grates #ad - Oriental steel plated - Brushed Nickel finish floor register. Easy to install - Just drop into vent - no tools required. Available in a variety of styles and finishes to match any decor.More information #ad
Filter retainer and filter are sold separately. Metal damper boxes rust and seize up, so we make our damper boxes with recycled high impact polystyrene; this is not a cheaper option, it’s the best option.Brand | Decor Grates #ad |
Manufacturer | Décor Grates #ad |
Height | 13.5 Inches |
Length | 1.39 Inches |
Weight | 1 Pounds |
Width | 5.45 Inches |
Part Number | AJH412-NKL |
Model | AJH412-NKL |
Warranty | Limited 12 month Warranty |
More information #ad
2. Rocky Mountain Goods
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Easy Adjust Airflow, Rocky Mountain Goods Vent Cover for Home Floor 4” x 12” Brown Pack of 2, Walkable Floor Register Air Vents, Heavy Duty Metal
#adRocky Mountain Goods #ad - 4” x 12” brown register vents pack of 2. Lifetime warranty - We guarantee all our vents for life. Easy adjust air supply lever. Classic louvered design for decorative look. Heavy duty reinforced metal design for walk on floor use.More information #ad
Brand | Rocky Mountain Goods #ad |
Manufacturer | Rocky Mountain Goods #ad |
More information #ad
3. Built Industrial
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Floor Vent Covers 4x12 with Damper for HVAC Systems with 11.5 x 3.5 in Opening White, 3 Pack Air Vent Register
#adBuilt Industrial #ad - Airflow: the louvers in the grille angle outward the further they are from the center of these floor vent covers to expand and improve air circulation efficiency throughout the room.Durable: these air vent covers for home floor 4x12 are made of durable Metal that can withstand the weight of an adult standing on them. Adjustable damper: the wheel on the side allows you to easily adjust the angle of the two damper blades to restrict airflow for the desired amount of heating or cooling in the room.
More information #ad
4x12 foor vent cover: these air vent covers are designed to fit air ducts measuring 11. 5 x 3. 5 inches and measure 13. 5 x 5. 4 x 1. 5 inches overall. Paintable: this white floor register 4x12 can be painted to match the color of adjacent walls or to reduce its visibility.Brand | Built Industrial #ad |
Manufacturer | Juvo Plus #ad |
Part Number | XBMCC |
More information #ad
4. Rocky Mountain Goods
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Walkable Floor Register Air Vents, Easy Adjust Airflow, Heavy Duty Metal, Rocky Mountain Goods Vent Cover for Home Floor 4” x 12” White Pack of 2
#adRocky Mountain Goods #ad - Classic louvered design for decorative look. 4” x 12” white register vents pack of 2. Heavy duty reinforced metal design for walk on floor use. Lifetime warranty - We guarantee all our vents for life. Easy adjust air supply lever.More information #ad
Brand | Rocky Mountain Goods #ad |
Manufacturer | Rocky Mountain Goods #ad |
More information #ad
5. Decor Grates
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4x12 Inches, Decor Grates ST412 Classic Collection Décor Design Painted, Floor Register
#adDecor Grates #ad - Easy to install - Just drop into vent - no tools required. Crafted for long trouble free operation. Metal damper boxes rust and seize up, so we make our damper boxes with recycled high impact polystyrene; this is not a cheaper option, it’s the best option.More information #ad
Filter retainer and filter are sold separately. Scroll design steel painted - black powder-coated textured finish floor register.Brand | Decor Grates #ad |
Manufacturer | Décor Grates #ad |
Height | 1.4 Inches |
Length | 13.5 Inches |
Weight | 0.99 Pounds |
Width | 5.5 Inches |
Part Number | ST412 |
Model | ST412 |
Warranty | Limited 12 month Warranty |
More information #ad
6. Rocky Mountain Radar
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Heavy Duty Walkable Register, 4 inch by 12 Inch Floor Vent Brown, Rocky Mountain Goods Floor Register 4X12 Duct Opening Measurements, Easy Adjust air Supply Lever, Premium Finish
#adRocky Mountain Radar #ad - Heavy duty allows walking on floor vent. Lifetime warranty. Easy adjust air supply lever. 4 x 12 duct opening Measurements metal floor register for inconspicuous design. Premium chip or scratch resistant finish for lifetime use.More information #ad
Brand | Rocky Mountain Radar #ad |
Manufacturer | Rocky Mountain Goods #ad |
Part Number | RMG-FR4X12 |
More information #ad
7. Hartford Ventilation
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Smooth Glide Damper 1, Brushed Nickel, Heavy Duty Modern Metal Design with Scratch Resistant Finish, Hartford Ventilation Floor Register 4” x 12”, Contemporary Steel Vent Cover for Home
#adHartford Ventilation #ad - Lifetime warranty - We guarantee all our vents and registers for life. Easy adjust air supply lever. Brushed nickel floor register with Premium chip or scratch resistant finish for lifetime use.More information #ad
4 x 12 duct opening Measurements metal floor register for inconspicuous design. Heavy duty metal design allows walking on floor vent.Brand | Hartford Ventilation #ad |
Manufacturer | Hartford Ventilation #ad |
More information #ad
8. Decor Grates
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4x12, Decor Grates SPH412-RB Floor Register, Rubbed Bronze Finish
#adDecor Grates #ad - Metal damper boxes rust and seize up, so we make our damper boxes with recycled high impact polystyrene; this is not a cheaper option, it’s the best option. Easy to install - Just drop into vent - no tools required.More information #ad
Filter retainer and filter are sold separately. Scroll design steel plated - Rubbed Bronze finish floor register. Available in a variety of styles and finishes to match any decor.Brand | Decor Grates #ad |
Manufacturer | Décor Grates #ad |
Height | 13.5 Inches |
Length | 1.39 Inches |
Weight | 1.33 Pounds |
Width | 5.45 Inches |
Part Number | SPH412-RB |
Model | SPH412-RB |
Warranty | Limited 12 month Warranty |
More information #ad
9. BUILDMART
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Decorative Air Vent, Registers, Grilles & Vents for Ceilings, Walls & Floors, Standard Linear Slot Diffuser, 12x4 Modern AC Vent Cover, Texas Buildmart
#adBUILDMART #ad - Update any room with our modern ac vent covers. Our vents are perfect for bathrooms, kitchens, and living rooms and can be used to update your office setting or commercial space. Cfm: 133 ft3/min - effective velocity: 9.8 ft/s; neck: 11 7/8" x 3 7/8" - face: 13 15/16" x 5 15/16" the neck is the section that goes into the vent hole while the face is what will actually cover.
More information #ad
Use our modern ac vents covers for your office essentials, home improvement, or remodels. Commercial grade solid aluminum with modern architectural design for ceilings, walls, and floors. This model can be used as a supply vent cover and return vent cover - This is a non-filter model. Adds value to any wall, ceiling & floor space by updating not only the look but also the feel. This is a design and utility patent pending product* We make all sizes from 6x4 to 30x24 standard sized modern ac vent covers for the modern day home.
Brand | BUILDMART #ad |
Manufacturer | Texas Buildmart #ad |
Height | 2 Inches |
Length | 14 Inches |
Width | 6 Inches |
Part Number | 12x4 |
More information #ad
10. Decor Grates
#ad
Decor Grates ECH412-NKL Eclipse Floor Register, 4x12 Inches, Brushed Nickel
#adDecor Grates #ad - Metal damper boxes rust and seize up, so we make our damper boxes with recycled high impact polystyrene; this is not a cheaper option, it’s the best option. Eclipse design steel plated - Brushed Nickel finish floor register.More information #ad
Filter retainer and filter are sold separately. Available in a variety of styles and finishes to match any decor. Easy to install - Just drop into vent - no tools required.Brand | Decor Grates #ad |
Manufacturer | Decor Grates Inc #ad |
Height | 1.4 Inches |
Length | 13.5 Inches |
Weight | 1.32 Pounds |
Width | 5.25 Inches |
Part Number | ECH412-NKL |
Model | ECH412-NKL |
Warranty | Limited 12 month Warranty |
More information #ad