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Item #:
197978867
Vents 100mm Inline Backdraught Shutter for Round Ducting
Item #:
197978867
XAF 9158
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from UK
22%
In stock
Imported from UK store
QTY:
Order now and get it around Tuesday, September 22
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Prevents cold draughts and backflow with an automatic gravity flap for better indoor comfort.
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What Stands Out
Backdraught Prevention
Effectively prevents reverse airflow, ensuring your extractor fan system remains efficient and unobstructed.
Compact Design
The 100mm size is ideal for round ducting, fitting seamlessly into your ventilation setup without requiring extensive modifications.
Enhanced Efficiency
Optimizes airflow control, boosting the overall performance of your extractor fan system while minimizing energy waste.
Product Details
Product Technical Details
| Manufacturer | VENTS UK |
| Part Number | VENTS-RVK 100 |
| Package Dimensions | 10.5 x 10.2 x 6.2 cm; 50 g |
| Item model number | VENTS-RVK 100 |
| Size | 4" - 100 mm |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 50 g |
| Guaranteed software updates until | unknown |
| Date First Available | 18 Nov. 2025 |
Product Description
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Customer Questions & Answers
-
Question:
Is this compatible with my existing ductwork?
Answer: Yes, it fits standard 100mm round ducts and 102mm flexible hose. -
Question:
How does the gravity flap work?
Answer: The flap opens when the fan runs and closes automatically when the airflow stops. -
Question:
Can I install this myself?
Answer: Absolutely! The quick push-fit installation requires no special tools.
VENTS UK Ducting VENTS-RVK 100 Editorial Review
Vents 100mm Inline Backdraught Shutter For Round Ducting is a reliable solution for controlling one-way airflow in extractor fan systems. This product effectively reduces reverse draughts through 4-inch duct runs, ensuring that cold air doesn't seep in while allowing optimal airflow when needed. Users have praised its sturdy build quality and ease of installation, highlighting that it fits neatly into standard 125mm ducting. Installers appreciate the noticeable difference it makes in keeping spaces warmer during winter months, proving its effectiveness as a simple yet impactful solution in air management.
Customer Reviews & Ratings
20 customers ratings
-
5 Star
57%
-
4 Star
21%
-
3 Star
15%
-
2 Star
0%
-
1 Star
7%
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Pros
- Sturdy design ensures durability and long-lasting use
- Easy installation in standard 125mm ducting
- Effectively prevents reverse draughts and cold air
- Maintains good airflow when fan operates
- Great value and functionality for home ventilation
Cons
- May require slight adjustments for perfect fit
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 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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XAF 9158
Order now and get it around Tuesday, September 22
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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Fastest cross-border delivery
Features & Benefits
- Stops cold air, odours, and insects from re-entering your home.
- Automatically closes when airflow stops for effective protection.
- Easily integrates with standard 100mm round ducts and flexible hose.
- Lightweight and durable design for long-lasting use.
- Quick push-fit installation – no specialist tools required.
- Ideal for versatile ventilation options in bathrooms, kitchens, and utility rooms.
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