Vent Systems 4" Inch Backdraft Damper – Pack of 2 – White Plastic One-Way Airflow Ducting Insert – Easy Installation for Bathroom, Kitchen, HVAC Exhaust System – Compatible with Round Ducts

★★★★★ 4.8 95 reviews

$14.99
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by democodigos.pollafutbol.co
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
$14.99
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives May 10
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by democodigos.pollafutbol.co
Free 30-day returns Details

Product details

Management number 218805718 Release Date 2026/05/03 List Price $6.00 Model Number 218805718
Category
  • FITS STANDARD ROUND DUCTS – Designed for 4" ventilation pipes, ensuring a secure fit for both flexible and rigid duct systems.
  • TOUGH ABS PLASTIC – Built from high-quality, impact-resistant plastic, resistant to moisture, temperature changes and everyday wear.
  • BACKDRAFT PROTECTION – Integrated gravity flaps stop unwanted air, odours and debris from entering your ducts, improving indoor comfort.
  • EASY DIY INSTALLATION – Push-fit male ends allow quick, tool-free connection into standard ducts for a reliable airtight seal.
  • MULTI-ROOM USE – Ideal for bathrooms, kitchens, utility rooms, and HVAC systems to maintain efficient airflow and prevent reverse draughts.

Size 4 Inch
Color White
Set Name Pack of 2
Brand Name Vent Systems
Unit Count 2.0 Count
Item Weight 0.1 Kilograms
Manufacturer Vent Systems
Model Number LS-AV100-2
Material Type Plastic
Item Dimensions 3.94 x 3.94 x 2.44 inches
Number of Pieces 2
Included Components Pack of 2 Male Fit Connectors with Shutters

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.8 out of 5
★★★★★
95 ratings | 39 reviews
How item rating is calculated
View all reviews
5 stars
87% (83)
4 stars
2% (2)
3 stars
1% (1)
2 stars
0% (0)
1 star
10% (10)
Sort by

There are currently no written reviews for this product.