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Item #:
41139705
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Vent Deflector (6 in)
Item #:
41139705
LKR 7162
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
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Order now and get it around Saturday, July 11
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This backdraft damper prevents air from re-circulating when fans are not in use for improved ventilation.
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What Stands Out
Effective Backdraft Prevention
Designed to stop unwanted airflow, this damper ensures conditioned air stays inside, enhancing energy efficiency and comfort in your space.
Quality Duct Compatibility
Fitting seamlessly into 4-inch ducts, it guarantees easy installation and reliable performance, making it a perfect choice for standard ventilation systems.
Durable Construction
Crafted from resilient materials, this draft blocker promises longevity and consistent operation, ensuring lasting protection against backflows and optimizing your air circulation.
Product Details
| Country of Origin | This item will be imported from US |
| Item Weight | 1.5 lbs (680 grams) |
| What is in the box | 6 Inch Draft Blocker... For more details, please check description/product details |
Who Should Buy?
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Homeowners
Ideal for homeowners seeking to prevent drafts and improve energy efficiency in their duct systems.
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HVAC Professionals
Perfect for HVAC experts needing effective solutions for controlling airflow and backflow in ventilation systems.
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Energy Savers
Great for individuals looking to reduce heating and cooling costs by maintaining desired indoor temperatures.
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Large Systems
Not suitable for larger duct systems where airflow needs exceed the 4-inch size limitation.
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No Ducting
Ineffective for homes without ducting systems, as it won't resolve airflow issues without ducts.
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Constant Airflow Needs
Not ideal for applications requiring continuous airflow, as it only allows one-way air movement.
Product Description
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Vent Deflector (6 in)
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is a 4 Inch Draft Blocker Backdraft Damper?
Answer: A 4 Inch Draft Blocker Backdraft Damper is a device designed to prevent backflow of air through ducts. It features a one-way airflow mechanism that allows air to flow in one direction, effectively blocking drafts when not in use. This helps maintain indoor climate control and improves energy efficiency. It's especially useful in homes with inline fans, ensuring that unwanted outside air does not disrupt your indoor comfort. -
Question:
How does a backdraft damper work?
Answer: A backdraft damper operates using a series of flaps that respond to airflow changes. When air flows in the intended direction, the flaps open, allowing air to pass through. When airflow ceases or reverses, the flaps close, preventing drafts from entering your space. This is crucial for maintaining a consistent temperature inside your environment, essentially acting as a barrier against outside air intrusion. -
Question:
Where can I buy a 4 Inch Draft Blocker Backdraft Damper in Sri Lanka?
Answer: You can purchase a 4 Inch Draft Blocker Backdraft Damper from Ubuy in Sri Lanka. Ubuy offers a broad selection of ducting products, and you can easily find this damper by searching their website. They provide detailed product specifications and reviews to help you make an informed decision. -
Question:
What are the benefits of using a duct draft stopper?
Answer: Using a duct draft stopper enhances your home's energy efficiency by preventing unwanted airflow. This helps reduce the workload on your heating and cooling systems, ultimately lowering energy consumption. Additionally, it keeps your indoor environment comfortable by preventing cold drafts or hot air from entering, ensuring a stable and pleasant climate year-round. -
Question:
Can the backdraft damper be installed in any duct?
Answer: Yes, the 4 Inch Draft Blocker Backdraft Damper is designed for standard 4-inch ducts, making it versatile for various applications. It can be used in both residential and commercial settings, as long as the duct size is compatible. Proper installation ensures optimal performance, making it an excellent solution for maintaining climate control in different environments. -
Question:
Is a duct draft stopper effective for both heating and cooling systems?
Answer: Absolutely! The duct draft stopper is suitable for both heating and cooling applications. By preventing backflow, it helps maintain the intended temperature of the air being circulated, whether warm or cool. This makes it a great asset in balancing your indoor climate and ensuring efficiency in your HVAC system throughout the seasons. -
Question:
How do I clean and maintain my backdraft damper?
Answer: Maintaining your backdraft damper is straightforward. Regularly check for debris or dust accumulation that may impede its function. You can simply wipe the exterior with a damp cloth or use a vacuum attachment to clean inside the duct. This ensures that the flaps move freely and will effectively block drafts when needed. -
Question:
What is the installation process for a duct draft stopper?
Answer: Installing a 4 Inch Draft Blocker Backdraft Damper typically involves inserting it into your existing duct system. The damper fits snugly within the duct, often secured with screws or adhesive. It's recommended to follow the manufacturer's installation guide for specific details, allowing you to ensure a tight seal that prevents drafts while allowing airflow in the desired direction. -
Question:
Can I use multiple draft stoppers in my home?
Answer: Yes, using multiple draft stoppers can enhance comfort in large spaces or homes with multiple ducts. Placing draft stoppers in various ducts prevents cold or hot air from infiltrating different rooms, maintaining consistent temperatures throughout your home. This is especially useful in homes with varying heating or cooling needs across different areas. -
Question:
What materials are backdraft dampers made from?
Answer: Backdraft dampers are typically constructed from durable materials like galvanized steel or high-quality plastic. These materials are chosen for their strength and resistance to corrosion, ensuring longevity and reliable operation. The choice of material contributes to the damper's effectiveness in blocking drafts while enduring varying environmental conditions.
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“Accurate delivery timing given”
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“Not madly expensive like I thought, and much quicker than promised.”
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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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LKR 7162
Order now and get it around Saturday, July 11
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.)
QTY:
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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Fastest cross-border delivery
Features & Benefits
- Made of galvanized steel, aluminum, and stainless steel.
- Easy installation by pushing it into ventilation pipe.
- Fits over TD lip and ideal for residential, commercial and industrial applications
- Can be used in ACs, extractors, range hoods, heating ducts, and vents.
- Not for use with plastic ducts.
- Prevents energy loss and saves costs.