Bathroom Cabinets & FixturesBathroom PlumbingCar Emergency SuppliesCaulking & SealantsDoor WeatherproofingEmergency SuppliesFireplacesFurniture HardwareGarage Door Openers and HardwareGuttering & DrainageHVAC Ducting and VentilationInsulationPaint Supplies & ToolsProjectsRegisters and GrillsSealants, Fillers and AdhesivesShop Plumbing by FixtureStorm & Flood PrepValves & Valve RepairWeatherproof CoversWeatherstrippingWindow WeatherproofingWinter Prep
Sort by|
Bathroom Cabinets & FixturesBathroom PlumbingCar Emergency SuppliesCaulking & SealantsDoor WeatherproofingEmergency SuppliesFireplacesFurniture HardwareGarage Door Openers and HardwareGuttering & DrainageHVAC Ducting and VentilationInsulationPaint Supplies & ToolsProjectsRegisters and GrillsSealants, Fillers and AdhesivesShop Plumbing by FixtureStorm & Flood PrepValves & Valve RepairWeatherproof CoversWeatherstrippingWindow WeatherproofingWinter Prep
Vent Blockers(112)
Uses item details. Price when purchased online
4 Pcs Square Magnetic Vent Covers, 12x12" Magnetic Cover for Temperature Control & Noise Reduction, Flexible Vent Blockers for Ceiling, Floor, Register, Heater, HVAC Vents $28.99
Sponsored
$2899
current price $28.994 Pcs Square Magnetic Vent Covers, 12x12" Magnetic Cover for Temperature Control & Noise Reduction, Flexible Vent Blockers for Ceiling, Floor, Register, Heater, HVAC Vents
Save with
PP Plastic Dryer Vent Cover, 6.89 x 6.89 in Exterior Wall Rainproof Air Vent with Louvered Design, Mesh Screen, Cold Draft Blocker for Bathroom Kitchen Exhaust System $13.99 Was $17.49
Sponsored
Now$1399
current price Now $13.99, Was $17.49$17.49
PP Plastic Dryer Vent Cover, 6.89 x 6.89 in Exterior Wall Rainproof Air Vent with Louvered Design, Mesh Screen, Cold Draft Blocker for Bathroom Kitchen Exhaust System
Save with
Uxcell Magnetic Vent Cover, Floor Wall Air Registers Cover Magnet Vent Blocker for Home RV HVAC Fireplace Furnace Black 11.9 " x 7.9 " From $13.49
Sponsored
From$1349
Uxcell Magnetic Vent Cover, Floor Wall Air Registers Cover Magnet Vent Blocker for Home RV HVAC Fireplace Furnace Black 11.9 " x 7.9 "
Uxcell Magnetic Vent Covers, Floor Wall Air Registers Covers Magnet Vent Blocker for Home RV HVAC Fireplace Furnace Black 11.9 " x 5.5 " From $42.49
Sponsored
From$4249
Uxcell Magnetic Vent Covers, Floor Wall Air Registers Covers Magnet Vent Blocker for Home RV HVAC Fireplace Furnace Black 11.9 " x 5.5 "
50+ bought since yesterday Frost King® Magnetic Vent Covers for Wall, Floor or Ceiling, 5.5" Wide x 12" Long, Clear, Pack of 4 From $8.97
2 options
Available in additional 2 optionsFrom$897
Frost King® Magnetic Vent Covers for Wall, Floor or Ceiling, 5.5" Wide x 12" Long, Clear, Pack of 4
2364.2 out of 5 Stars. 236 reviews
Save with
Best seller High Strength Magnetic Vent Covers 5-Pack (4.84" x 10.83") - White, for Floor/Wall/Ceiling Steel Registers, Home & RV Use Was $16.99
High Strength Magnetic Vent Covers 5-Pack (4.84" x 10.83") - White, for Floor/Wall/Ceiling Steel Registers, Home & RV Use
783.9 out of 5 Stars. 78 reviews
Save with
4 Pcs Square Magnetic Vent Covers, 12x12" Magnetic Cover for Temperature Control & Noise Reduction, Flexible Vent Blockers for Ceiling, Floor, Register, Heater, HVAC Vents $28.99
$2899
current price $28.994 Pcs Square Magnetic Vent Covers, 12x12" Magnetic Cover for Temperature Control & Noise Reduction, Flexible Vent Blockers for Ceiling, Floor, Register, Heater, HVAC Vents
Save with
Stainless Steel Mesh Roll 1m Flexible Vent Screen Gap Blocker Air Vent Cover Rust Resistant Metal Mesh Netting for Basement Wall Fence Holes Duct Openings Rodent Proof Household Garden Protection From $5.92
From$592
Stainless Steel Mesh Roll 1m Flexible Vent Screen Gap Blocker Air Vent Cover Rust Resistant Metal Mesh Netting for Basement Wall Fence Holes Duct Openings Rodent Proof Household Garden Protection
Uxcell 11.8"x5.5" Magnetic Vent Cover Floor Wall Air Registers Cover Vent Blocker for Home RV HVAC Silver Gray 2 Pcs From $18.49
From$1849
Uxcell 11.8"x5.5" Magnetic Vent Cover Floor Wall Air Registers Cover Vent Blocker for Home RV HVAC Silver Gray 2 Pcs
25 out of 5 Stars. 2 reviews
NOGIS 1 Pcs White Magnetic Vent Covers, Magnetic Vent Covers for Ceiling, Ceiling Vent Covers Magnetic Vent Covers for Wall,Strong Magnetic Vent Magnetic Cover for Air Conditioning Vents 10x10in From $18.99
2 options
Available in additional 2 optionsFrom$1899
NOGIS 1 Pcs White Magnetic Vent Covers, Magnetic Vent Covers for Ceiling, Ceiling Vent Covers Magnetic Vent Covers for Wall,Strong Magnetic Vent Magnetic Cover for Air Conditioning Vents 10x10in
14 out of 5 Stars. 1 reviews
2 Pcs Square Magnetic Vent Covers, 12x12" Magnetic Cover for Temperature Control & Noise Reduction, Flexible Vent Blockers for Ceiling, Floor, Register, Heater, HVAC Vents $16.97 Was $20.99
Sponsored
Now$1697
current price Now $16.97, Was $20.99$20.99
2 Pcs Square Magnetic Vent Covers, 12x12" Magnetic Cover for Temperature Control & Noise Reduction, Flexible Vent Blockers for Ceiling, Floor, Register, Heater, HVAC Vents
11 out of 5 Stars. 1 reviews
Save with
Reduced price Uxcell Magnetic Vent Cover, Floor Wall Air Registers Covers Magnet Vent Blocker for Home RV HVAC Fireplace Furnace Black 9.9 " x 9.9 " From $12.19
From$1219
Uxcell Magnetic Vent Cover, Floor Wall Air Registers Covers Magnet Vent Blocker for Home RV HVAC Fireplace Furnace Black 9.9 " x 9.9 "
13 out of 5 Stars. 1 reviews
Floor Vent Cover Magnetic PVC Rectangular Vent Screen | Debris Catcher | Blocks Insects Dust | 10.16x25cm | Sturdy Plastic | Pack of 6 | Easy Install Air Duct Protector $6.84
$684
current price $6.84Floor Vent Cover Magnetic PVC Rectangular Vent Screen | Debris Catcher | Blocks Insects Dust | 10.16x25cm | Sturdy Plastic | Pack of 6 | Easy Install Air Duct Protector
Strong Magnets Register Cover,12x12 Inch Square Magnetic Vent Cover, Vent Blocker for Home Floor, Ceiling, Wall Registers, HVAC, AC, RV, and Heater Vents, 4Pack From $17.99
2 options
Available in additional 2 optionsFrom$1799
Strong Magnets Register Cover,12x12 Inch Square Magnetic Vent Cover, Vent Blocker for Home Floor, Ceiling, Wall Registers, HVAC, AC, RV, and Heater Vents, 4Pack
15 out of 5 Stars. 1 reviews
Save with
2 Pcs Square Magnetic Vent Covers, 12x12" Magnetic Cover for Temperature Control & Noise Reduction, Flexible Vent Blockers for Ceiling, Floor, Register, Heater, HVAC Vents $16.97 Was $20.99
Now$1697
current price Now $16.97, Was $20.99$20.99
2 Pcs Square Magnetic Vent Covers, 12x12" Magnetic Cover for Temperature Control & Noise Reduction, Flexible Vent Blockers for Ceiling, Floor, Register, Heater, HVAC Vents
11 out of 5 Stars. 1 reviews
Save with
Uxcell 19.7"x9.8" Magnetic Vent Cover Floor Wall Air Registers Cover Vent Blocker for Home RV HVAC Black From $21.09
From$2109
Uxcell 19.7"x9.8" Magnetic Vent Cover Floor Wall Air Registers Cover Vent Blocker for Home RV HVAC Black
Best seller 6pcs Floor Vent Covers, TSV Magnetic Air Vent Screen Mesh Cover, PVC Floor Register Filters for Home Floor Wall Ceiling $13.49
$1349
current price $13.496pcs Floor Vent Covers, TSV Magnetic Air Vent Screen Mesh Cover, PVC Floor Register Filters for Home Floor Wall Ceiling
204.2 out of 5 Stars. 20 reviews
Save with
Triani 1Pcs Square Magnetic Vent Covers 12*12 InchAir Floor Covers Strong Magnetic AC Vent Cover for Home Ceiling Wall Heater Vents(White) From $19.99
2 options
Available in additional 2 optionsFrom$1999
Triani 1Pcs Square Magnetic Vent Covers 12*12 InchAir Floor Covers Strong Magnetic AC Vent Cover for Home Ceiling Wall Heater Vents(White)
NOGIS Air Vent Covers for Home (4Pcs, 12 x 5.5 x 0.6 Inch) Magnetic Vent Cover for Walls and Floors. Vent Blocker Magnet for AC, Heater, Register, Fireplace in White. Cut to Any Shape and Size $31.79
$3179
current price $31.79NOGIS Air Vent Covers for Home (4Pcs, 12 x 5.5 x 0.6 Inch) Magnetic Vent Cover for Walls and Floors. Vent Blocker Magnet for AC, Heater, Register, Fireplace in White. Cut to Any Shape and Size
2Pcs Square Magnetic Vent Covers, 8"x8" Floor Air Vent Blocker Covers Register Sound Proof Cover for Home Floor Wall Ceiling Vents (White) $27.49
$2749
current price $27.492Pcs Square Magnetic Vent Covers, 8"x8" Floor Air Vent Blocker Covers Register Sound Proof Cover for Home Floor Wall Ceiling Vents (White)
Uxcell Magnetic Vent Covers, Floor Wall Air Registers Cover Magnet Vent Blocker for Home RV HVAC Fireplace Furnace Black 11.9 " x 11.9 " From $21.99
From$2199
Uxcell Magnetic Vent Covers, Floor Wall Air Registers Cover Magnet Vent Blocker for Home RV HVAC Fireplace Furnace Black 11.9 " x 11.9 "
Best seller Air Vent Extender for Under Furniture Floor Vent Deflector for Floor Register Up to 12" Wide, Extends from 17"-33" (1 pack)
2 options
Available in additional 2 optionsAir Vent Extender for Under Furniture Floor Vent Deflector for Floor Register Up to 12" Wide, Extends from 17"-33" (1 pack)
134.3 out of 5 Stars. 13 reviews
Save with
3Pcs Rectangle Magnetic Vent Covers, 12"x5.5" Floor Air Vent Blocker Covers Register Sound Proof Covers for Home Floor Wall Ceiling Vents (White) $26.99
$2699
current price $26.993Pcs Rectangle Magnetic Vent Covers, 12"x5.5" Floor Air Vent Blocker Covers Register Sound Proof Covers for Home Floor Wall Ceiling Vents (White)
AIR DEFLECTOR ADJ 15-24" (Pack of 1) $17.99
$1799
current price $17.99AIR DEFLECTOR ADJ 15-24" (Pack of 1)
413.3 out of 5 Stars. 41 reviews
FILTERWOW Unbreakable Clear Plastic Heat and Air Vent Deflector-Magnetic and Adjustable 10-14 Inches for Use On Floor Vents, Sidewalls, and Ceiling Registers 4 Pack $28.12
$2812
current price $28.12FILTERWOW Unbreakable Clear Plastic Heat and Air Vent Deflector-Magnetic and Adjustable 10-14 Inches for Use On Floor Vents, Sidewalls, and Ceiling Registers 4 Pack
Uxcell 19.7"x9.8" Magnetic Vent Cover Floor Wall Air Registers Cover Vent Blocker for Home RV HVAC Silver
Uxcell 19.7"x9.8" Magnetic Vent Cover Floor Wall Air Registers Cover Vent Blocker for Home RV HVAC Silver
PP Plastic Dryer Vent Cover, 6.89 x 6.89 in Exterior Wall Rainproof Air Vent with Louvered Design, Mesh Screen, Cold Draft Blocker for Bathroom Kitchen Exhaust System $13.99 Was $17.49
Now$1399
current price Now $13.99, Was $17.49$17.49
PP Plastic Dryer Vent Cover, 6.89 x 6.89 in Exterior Wall Rainproof Air Vent with Louvered Design, Mesh Screen, Cold Draft Blocker for Bathroom Kitchen Exhaust System
Save with
2Pcs Square Magnetic Vent Covers, 12"x12" Floor Air Vent Blocker Covers Register Sound Proof Cover for Home Floor Wall Ceiling Vents (White) $40.99
$4099
current price $40.992Pcs Square Magnetic Vent Covers, 12"x12" Floor Air Vent Blocker Covers Register Sound Proof Cover for Home Floor Wall Ceiling Vents (White)
Yayun Black Magnetic Floor Vent Covers 4 Piece, Mesh Air Vent Deflector for Home From $9.89
From$989
Yayun Black Magnetic Floor Vent Covers 4 Piece, Mesh Air Vent Deflector for Home
83.9 out of 5 Stars. 8 reviews
Save with
Thermwell Frost King Baseboard Air Deflector - Adjustable Plastic - Clear, 15-5/16" x 4.9" $14.27
$1427
current price $14.27Thermwell Frost King Baseboard Air Deflector - Adjustable Plastic - Clear, 15-5/16" x 4.9"
243.5 out of 5 Stars. 24 reviews
Riousery Backdraft Damper 6 inches / 15.24 cm Draft Blocker 1 Way Airflow Stopper ABS Duct Connector Accessory Round Household Vent Ventilation Type For Home Kitchen Bathroom Usage $14.12
$1412
current price $14.12Riousery Backdraft Damper 6 inches / 15.24 cm Draft Blocker 1 Way Airflow Stopper ABS Duct Connector Accessory Round Household Vent Ventilation Type For Home Kitchen Bathroom Usage
MOMOJIA 2pcs Indoor Fireplaces Vent Covers Chimney Draft Stopper Insulation Blocker From $19.69
4 options
Available in additional 4 optionsFrom$1969
MOMOJIA 2pcs Indoor Fireplaces Vent Covers Chimney Draft Stopper Insulation Blocker
Clearance Floleo 4 Pack Floor Vent Covers 4x10 Inch, Magnetic PVC Ventilation Screen Guard, Rectangular Vent Grille Protector to Prevent Items from Falling, Dust and Pest Barrier $9.17 Was $11.17
Now$917
current price Now $9.17, Was $11.17$11.17
Floleo 4 Pack Floor Vent Covers 4x10 Inch, Magnetic PVC Ventilation Screen Guard, Rectangular Vent Grille Protector to Prevent Items from Falling, Dust and Pest Barrier
Magnetic Fireplace Draft Stopper Set of 2 Fireplace Draft Blocker Block Cold Air from Vent Home Bedroom Use Supplies $31.81
$3181
current price $31.81Magnetic Fireplace Draft Stopper Set of 2 Fireplace Draft Blocker Block Cold Air from Vent Home Bedroom Use Supplies
11 out of 5 Stars. 1 reviews
HBYJLZYG Insulated Attic Vent Cover with Self-Adhesive Hook & Loop Tape, 2 Sizes, White, Draft Blocker for Home Energy Saving From $8.99
2 options
Available in additional 2 optionsFrom$899
HBYJLZYG Insulated Attic Vent Cover with Self-Adhesive Hook & Loop Tape, 2 Sizes, White, Draft Blocker for Home Energy Saving
Goowood Magnetic Fireplace Draft Stopper 2pcs Fireplace Screen Vent Cover for Winter and Summer Indoor Chimney Draft Blocker Rubber Guard
Goowood Magnetic Fireplace Draft Stopper 2pcs Fireplace Screen Vent Cover for Winter and Summer Indoor Chimney Draft Blocker Rubber Guard
Clearance Taicans Floor Vent Covers,Strong Magnetic Vent Mesh Air Vent Filters,2 Pack Air Vent Filters Mesh Screen Dust Filter Vent Register Deflectors for Home HVAC AC Grilles & RV Vents 4 x 10 Inch Was $6.60
Taicans Floor Vent Covers,Strong Magnetic Vent Mesh Air Vent Filters,2 Pack Air Vent Filters Mesh Screen Dust Filter Vent Register Deflectors for Home HVAC AC Grilles & RV Vents 4 x 10 Inch
44.8 out of 5 Stars. 4 reviews
SIEYIO 2pcs Fireplaces Draft Stopper Vent Covers Magnetic Fireplaces Insulation Blocker Was $26.58
SIEYIO 2pcs Fireplaces Draft Stopper Vent Covers Magnetic Fireplaces Insulation Blocker
Magnetic Fireplace Vent Cover, 2 Pack Fireplace Draft Blocker to Block Draft from Indoor Chimney, Insulation Fireplace Screen to Prevent Cold Air and Heat Loss from Fireplace Vent, 36 x 4 in $25.48
$2548
current price $25.48Magnetic Fireplace Vent Cover, 2 Pack Fireplace Draft Blocker to Block Draft from Indoor Chimney, Insulation Fireplace Screen to Prevent Cold Air and Heat Loss from Fireplace Vent, 36 x 4 in
Yammee 2pcs Fireplaces Insulation Blocker Vent Covers Magnetic Fireplaces Draft Stopper
Yammee 2pcs Fireplaces Insulation Blocker Vent Covers Magnetic Fireplaces Draft Stopper
Magnetic Air Vent Extender for Under Furniture Vent Deflector for Floor Register Up to 12" Wide Extend from 17"-33" 1.5mm Thick-1Pcs $20.88
$2088
current price $20.88Magnetic Air Vent Extender for Under Furniture Vent Deflector for Floor Register Up to 12" Wide Extend from 17"-33" 1.5mm Thick-1Pcs
624.3 out of 5 Stars. 62 reviews
Save with
Pipe Draft Blocker Backdraft Damper Ventilation Duct Inline Extractor Fan Vent B Was $7.49
Pipe Draft Blocker Backdraft Damper Ventilation Duct Inline Extractor Fan Vent B
Lambro Industries 1491WG Universal Hinged Vent Guard, White-272278, White $18.74
$1874
current price $18.74Lambro Industries 1491WG Universal Hinged Vent Guard, White-272278, White
Other options to consider(358)
Popular in Vent Blockers
Related Products
BUILDMART - 6x6 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart
BUILDMART - 6x6 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart$39.99current price $39.99BUILDMART - 6x4 Modern AC Vent Cover - Decorative Black Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & Floors - Texas Buildmart
BUILDMART - 6x4 Modern AC Vent Cover - Decorative Black Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & Floors - Texas Buildmart$34.99current price $34.99BUILDMART - 6x6 Modern AC Vent Cover - Decorative Black Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & Floors - Texas Buildmart
BUILDMART - 6x6 Modern AC Vent Cover - Decorative Black Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & Floors - Texas Buildmart$39.99current price $39.99BUILDMART - 22x16 Modern AC Vent Cover - Decorative Black Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & Floors - Texas Buildmart
BUILDMART - 22x16 Modern AC Vent Cover - Decorative Black Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & Floors - Texas Buildmart$204.99current price $204.99BUILDMART - 6x4 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart
BUILDMART - 6x4 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart$34.99current price $34.99BUILDMART - 25x24 Modern AC Vent Cover - Decorative Black Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & Floors - Texas Buildmart
BUILDMART - 25x24 Modern AC Vent Cover - Decorative Black Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & Floors - Texas Buildmart$319.99current price $319.99BUILDMART - 22x10 Modern AC Vent Cover - Decorative White Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & Floors - Texas Buildmart
BUILDMART - 22x10 Modern AC Vent Cover - Decorative White Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & Floors - Texas Buildmart$124.99current price $124.99BUILDMART - 18x6 Modern AC Vent Cover - Decorative White Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & Floors - Texas Buildmart
BUILDMART - 18x6 Modern AC Vent Cover - Decorative White Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & Floors - Texas Buildmart$69.99current price $69.99Louver,Wall Opening 24x24In,Galvannealed 4FZG4
Louver,Wall Opening 24x24In,Galvannealed 4FZG4$296.62current price $296.62BUILDMART - 24x6 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart
BUILDMART - 24x6 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart$89.99current price $89.99BUILDMART - 24x6 Modern AC Vent Cover - Decorative Black Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & Floors - Texas Buildmart
BUILDMART - 24x6 Modern AC Vent Cover - Decorative Black Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & Floors - Texas Buildmart$89.99current price $89.99Uxcell 10Pcs 35mm/1.4in Air Vents Round Soffit Vents, Light Grey Soffit Vent Cover for Bathroom
Uxcell 10Pcs 35mm/1.4in Air Vents Round Soffit Vents, Light Grey Soffit Vent Cover for Bathroom$8.09current price $8.09BUILDMART - 18x4 Modern AC Vent Cover - Decorative White Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & Floors - Texas Buildmart
BUILDMART - 18x4 Modern AC Vent Cover - Decorative White Aluminum Air Vent - Standard Linear Slot Diffuser - Heating and Cooling Register Grille for Ceiling, Walls & Floors - Texas Buildmart$59.99current price $59.99