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Item #:
190882003
3 Inch 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper
85% of respondents would recommend this to a friend
Item #:
190882003
LAK 560867
Price Details
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*All items will import from US
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Imported from USA store
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Order now and get it around Monday, September 07
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The flap valve opens and closes automatically, allowing only one-directional airflow, preventing cold air from entering.
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What Stands Out
One-Way Airflow
Prevents unwanted backflow, ensuring that air flows in one direction only. This enhances system efficiency and prevents drafts, making it ideal for maintaining comfortable indoor environments.
Versatile Compatibility
Designed to fit 3'' and 4'' ducts, suitable for both PVC and flexible hoses. This versatility makes installation easy for various HVAC systems, catering to diverse user needs.
Efficient Draft Blocker
Effectively stops drafts, reducing energy costs by maintaining desired temperatures. Its innovative design enhances airflow control, benefiting homeowners and businesses seeking improved energy efficiency and comfort.
Product Details
| Package Dimensions | 5.83 x 5.83 x 5.24 inches (14.8 x 14.8 x 13.3 cm) |
| Item Weight | 10.8 ounces (306.18 grams) |
| Manufacturer | BRDUROBLA |
| Item model number | 2025930-uodgn |
Who Should Buy?
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Homeowners
Ideal for homeowners seeking to prevent drafts and improve HVAC efficiency in their air ducts.
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HVAC Professionals
Beneficial for HVAC technicians needing reliable backdraft dampers for residential and commercial duct installations.
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DIY Enthusiasts
Great for DIY enthusiasts looking to enhance air quality and control airflow in their home ventilation systems.
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Large Installations
Not suitable for large commercial systems requiring heavy-duty dampers or specialized airflow solutions.
Product Description
3 Inch 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper
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Customer Questions & Answers
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Question:
Can this damper be used in horizontal installations?
Answer: Yes, it can be installed horizontally, ensuring the spring position is horizontal for optimal functionality. -
Question:
Is it suitable for residential and commercial use?
Answer: Absolutely, it’s perfect for both residential and commercial applications. -
Question:
How does the damper prevent cold air from entering?
Answer: The flap valve opens and closes automatically, allowing airflow in one direction while blocking outside cold air.
BRDUROBLA Ducting 2025930-uodgn Editorial Review
The 3" 4" Draft Blocker Backdraft Damper is designed to effectively manage airflow in ducting systems, preventing unwanted drafts and backflow. Customers have generally found it to deliver on its promises, particularly appreciating its ease of installation and reliable performance once properly set up. Users have highlighted that the damper's one-way flap is effective in keeping cold air out and maintaining stable temperatures in various spaces, from bathrooms to workshops. Positive feedback points to how straightforward the installation was—many users were able to easily fit the device into their duct lines without any complications. The design adapts well to different duct sizes, accommodating both 3" and 4" configurations. Despite concerns regarding the material's durability, many users believe it performs adequately for typical residential uses. However, not all experiences were entirely positive. Some customers reported issues with the Construction quality, describing the materials as flimsy and noting that in certain conditions—such as heavy winds—the damper may struggle to perform effectively. There were mentions of the flap not remaining closed in horizontal positions, causing dissatisfaction for some users. Overall, while the 3" 4" Draft Blocker Backdraft Damper is an affordable and functional solution for managing airflow, potential buyers should be mindful of its limitations in more demanding environments. **
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Pros
- Easy installation process
- Effective at preventing drafts and backflow
- Adaptable to various duct sizes
- Affordable and practical for residential use
Cons
- Constructed from lightweight materials that may feel flimsy
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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LAK 560867
Order now and get it around Monday, September 07
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Widely applicable for ACs, exhaust fans, and ventilation systems.
- Silicone sealing sheet integrated for enhanced durability.
- Designed for easy installation into exhaust hoses or PVC.
- Automatically opens and closes for directed airflow.
- Inner rubber seal for better tightness and noise reduction.
- Made from high-quality PVC for longevity.
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