100mm Vent Covers of 2025
Best Choice1
LouanXpert4 Inch Round Air Vent Cover,LouanXpert Stainless Steel Black Soffit Vent Cover Louvered Grille Wall Vent with Built-in Fine Mesh for Garage, Apartment, RV (100mm - 2PCS)
9.9 Easy installation9.9 worth the money9.9 Durability9.8Exceptional
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Value for Money2
Vent SystemsVent Systems 4'' x 4'' Inch Pack of 2 White Air Vent Cover Metal Air Return Grill with Built in Pest Guard Screen HVAC Vent Cover for Home Improvement Vent Duct Cover 100x100 mm
Main highlights- Usable for both - indoors and outdoors. Easy to install fresh air vent cap - grill cover. No screws included.
- Paintable metal components contain UV stabiliser to reduce fading due to exposure to sunlight
- Outside dimensions - 3.93 x 3.93 Inches; Dimensions between screw holes - 3.4 x 3.3 Inches. Comes With Built In Durable Protection Screen.
- Louvered design for better look and better air flow. Helps to keep the wind, rain and snow from entering outdoor dryer vents
- Durable Material: Made of High Quality Metal and is rust free. Fits perfectly with other Vent Systems HVAC products.
9.5Excellent
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3
HG Power26% OffHG Power Soffit Vents 4 inch, Round Vent Cover with Built-in Screen Mesh, ABS Louver 4” Exhaust Vent for Exhaust Fan, HVAC Ducting, Bathroom, Kitchen, Garage Use, 100mm, White
Main highlights- Versatile Application: HG Power round soffit vents provides effective ventilation solutions for room , promoting healthier and more comfortable indoor environments. The soffit vents exterior is designed specifically for use in attic, bedroom, and offices
- Tip: Apply waterproof glue (like silicone sealant) between flange and white panel to prevent temperature-related detachment
- Suggest: For bulk orders, we advise purchasing a single unit first to verify suitability before committing to large quantities
- Premium Material: Constructed from high-quality ABS material, the soffit exhaust vent is both durable and easy to maintain, ensuring long-lasting performance
- Portable & Lightweight: With the option for wall or ceiling mounting, this portable and lightweight soffit vent cover is simple to install, making it an accessible solution for any space
- Easy to Use: The 4 inch soffit vent's white panel is designed for easy detachment, providing convenient airflow adjustment to suit your needs
- Built-in Screen Mesh: The HG Power 4 inch vent cover features a built-in screen mesh that allows fresh air to circulate while protecting your environment and enhancing your quality of life
9.4Excellent
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4
FGBBFGBB Adjustable 4 inch ABS Air Vent, Round Soffit Vent, White Ceiling Diffuser, Exhaust Vent Covers for Inline Duct Fan Outlet Vent,Exhaust Fan, Offices, Kitchen,Bathroom (100mm)
Main highlights- [WIDE APPLICATION] -- Available for wall mounted or ceiling mounted.Applicable to bathroom, kitchens, cabinet,offices, meeting rooms, music hall and other indoor places exhaust and ventilation use.
- [SCIENTIFIC DESIGN] -- Diameter of 3.93inch/100mm, adjustable design, you can rotate the vent's panel to change the airflow as needed. Easily fit with different 4" ducting hoses.
- [PREMIUM MATERIAL] -- The Air Duct Vent Cover is made of environment friendly and non-toxic quality ABS material, safe, sturdy and durable to use and more beautiful installation effect.
- [ENJOY ODOR-FREE ENVIRONMENT] -- This adjustable Ceiling Diffuser can be used as an air outlet and it can also be used as a vent for the ceiling, it will giving you a fresh and odorless life and work environment.
- [EASY TO MOUNT] -- This Soffit Vent does not require much effort to install, the same diameter hole can be mounted directly, the white panel can be dismantled,easy to clean and maintain.
9.2Excellent
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5
piiyoosnnWhite 304 Stainless Steel Air Vents Cover, piiyoosnn Louvered Grille Cover Vent Flat Ducting Air Vent Wall Inlet with Built-in a Fly Screen Mesh for HVAC Ventilation (4 inch (100mm) White Paint)
Main highlights- White baked paint process ,More anticorrosive and rust
- The dryer vent cover is designed a round flat cover with 45°Louver to prevent rainwater from flowing in; and built in fine mesh grille to stop sundries and small pet from entering the house.
- The air vent is designed with a louver grille cover, windproof and rainproof.
- Made of 304 stainless steel better than 201 material
- Ideal for all tumble dryer vent pipes / hoses, bathroom vents & extractors, air conditioning units, kitchen fans & vents, all home wall vents, heat transfer and ventilation systems, gas & electric dryers, cooker hood extractors, as well as a wide variety of industrial uses. A perfect replacement of the old or rust vent cap for your house.
9.0Excellent
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6
OGANAZIOGANAZI 4 Inch Stainless Steel Air Vents Round Black Soffit Vent Cover Air Vent Flat Ducting Air Outlet with Built-in Fine Mesh for Kitchen, Bathroom, Garage, Office and Warehouse Ventilation
Main highlights- Wide Application: The ventilation duct cover can be perfectly used for Intake or extraction use, for outside or inside, for walls or ceilings, lower noise, perfect for bathroom vents and extractors, air conditioning units, kitchen fans and vents, all home wall vents, gas and electric dryer etc..
- Size Note: 100mm / 4" Air Vent Ventilation Grille Cover applied to 4in circular pipe/ducting hose. Please note that product size 4 inches means it is suitable for 4-inch pipes or holes. Rather than to say that the air outlet overall diameter size is 4 inches.
- Premium Material: Made of high-quality 304 stainless steel thickened material, black painted, thicker and more rust-proof. Fine workmanship, beautiful decor for home, modern new house necessity.
- Practical Design: The dryer vent cover has a design of round flat cover with 45°Louver prevent rainwater from flowing in; and built in, fly screen mesh grille to prevent sundries and small pet entering house.
- Easy to Install: The air vent can be installed by wall mounting or ceiling mounting. ay be connected to dryer vent or any other VENT SYSTEMS HVAC part, also very easy to disassemble for conveniently cleaning.
8.9Very Good
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7
Hon&Guan20% OffHon&Guan Soffit Vents 4 Inch, Round Vent Cover Air Vent with Built-in a Fly Screen for Bathroom Exhaust Vent Office Home (ø100mm)
9.7 lasts a long time9.5 Easy installation9.5 DurabilityWhy we love it
High-quality ABS material ensures durability.
Easy installation with no drilling or screws required.
Detachable design simplifies cleaning and maintenance.
8.8Very Good
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8
WeiworldSoffit Vents 4 Inch Adjustable Round Air Vents ABS Louver Grille Cover White Air Exhaust Vents for Bathroom Hotel School Office Ventilation (100mm)
Main highlights- Product Parameters: Our Round Vent Cap Standard Compatible Size: 4 inch(100mm); Panel size 5.51"; Flange Opening Size: 3.7"; Height: 2.48". Please measure the size before purchasing
- Easy installation: Simple to install in a variety of locations like soffits, walls, ceilings, or cabinets. Fits standard vent openings
- Durable Material: Made from sturdy ABS materials, this adjustable round air vent louver ensures long-lasting performance and reliability
- Application: Available for wall mounted or ceiling mounted. Applicable to kitchen fans & vents, all home vents, heat transfer and ventilation systems, electric dryers, hood extractors etc
- Adjustable Airflow: Easily regulate the amount of airflow with the adjustable center disc, allowing you to control ventilation as needed
8.7Very Good
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9
ASHXFSH4 Inch Round Vent Cover, Black Stainless Steel Air Vent Built in Screen Mesh for Bedroom, Kitchen, Bathroom, Garage, Office and Warehouse Ventilation
Main highlights- You Can Get: The vent panel diameter 5.39 inch, bottom height 1.57 inch, bottom diameter approximately 3.74 inch, suitable for approximately 4 inch ducting hose, circular pipe, wall air outlet.
- Ventilation Applications: The soffit vent suits for indoor or outdoor using of house, bedroom, kitchen, bathroom, garage, office and warehouse and so on.
- Stainless Steel: Round vent cover is made of stainless steel, lightweight and sturdy.
- Installation Method: Stainless steel air vent is easy to install, you can adjusting the regulating valve of soffit buckle on the vent cover, adjust the appropriate width to fit the hole size prevent cover drop.
- Dual Practical Design: 1 Design louver grille cover adopts build in screen mesh, it help isolate things to into your house; 2 Design 45 degrees oblique louvers effectively prevent rainwater.
8.6Very Good
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10
NikouNikou Air Vent Cover - 100mm Air Vent Duct Grill Stainless Steel Wall Square Tumble Dryer Extractor Fan Outlet
Main highlights- Material: The air vent duct grill is made of 304 stainless steel material, durable.
- Guarantee: If you have any questions, please feel free to contact us, we will reply you within 24 hours and will do our best to provide you with the best service.
- Function: The stainless steel square wall vent with anti-draft gravity flaps, screw fixings.
- Convenient to use: Easy to install and opens with ease for maximum exhaust flow, stoping unpleasant odors, noises, or rain flowing back through the vent.
- Application: Perfect for using in tumble dryer vent pipes and hoses, bathroom vents and extractors, air con units, kitchen fans and vents, electric dryers, cooker hood extractors, conservatory wall outlets uses.
8.4Good
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