--- product_id: 497238404 title: "150mm Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 150mm Ducting in Range Hoods and Bathrooms Fans, 6-Inch" brand: "ac infinity" price: "202 zł" currency: PLN in_stock: true reviews_count: 6 category: "Ac Infinity" url: https://www.desertcart.pl/products/497238404-150mm-backdraft-damper-one-way-airflow-ducting-insert-with-spring store_origin: PL region: Poland --- # Spring-loaded aluminum blades for effortless airflow Rubber gaskets ensure airtight seal Galvanized steel body for durability 150mm Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 150mm Ducting in Range Hoods and Bathrooms Fans, 6-Inch **Brand:** ac infinity **Price:** 202 zł **Availability:** ✅ In Stock ## Summary > 🌀 Seal the airflow, unlock comfort — don’t let your ducts miss out! ## Quick Answers - **What is this?** 150mm Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 150mm Ducting in Range Hoods and Bathrooms Fans, 6-Inch by ac infinity - **How much does it cost?** 202 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/497238404-150mm-backdraft-damper-one-way-airflow-ducting-insert-with-spring) ## Best For - ac infinity enthusiasts ## Why This Product - Trusted ac infinity brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Durable galvanized steel body with powder coat finish resists wear and looks sleek. - • **Versatile Mounting:** Fits 6-inch ducts and mounts horizontally or vertically to suit any HVAC setup. - • **Ultimate Draft Defense:** Stops cold drafts and debris with airtight rubber gaskets for a cozy, clean airflow. - • **Instant Comfort Upgrade:** Feel warmer instantly by preventing backflow, perfect for kitchens, bathrooms, and more. - • **Effortless Airflow Control:** Spring-loaded aluminum blades open with minimal airflow, maximizing ventilation efficiency. ## Overview The AC Infinity 150mm Backdraft Damper is a premium one-way airflow insert designed for 6-inch ducting in range hoods, bathroom fans, and HVAC systems. Featuring a galvanized steel body, spring-loaded aluminum blades, and airtight rubber gaskets, it prevents backdrafts and debris entry while ensuring smooth ventilation. Its versatile horizontal or vertical mounting and powder-coated finish combine durability with sleek design, making it an essential upgrade for efficient, draft-free airflow. ## Description An antidraft duct insert designed for use with range hoods, bathroom fans and other home HVAC applications. Features outer rubber gaskets that create an airtight seal and grip between the damper and ducts. Mounts horizontally or vertically to prevent backflow and debris from entering ducting. Galvanized steel body with spring-loaded aluminum damper blades that open with minimal airflow. Fit for 6 in. Duct Openings | Product Length: 5.03 inches | Finish: Powder Coat Product Description A ventilation ducting tool designed for insertion into 6” ducting to prevent cold drafts and debris from flowing into ventilation systems. Built to be embedded in ducts, the backdraft damper is made of sturdy galvanized steel and features two rings of outer rubber gaskets. This enables it to grip your ducting with an airtight seal in either a horizontal or vertical orientation. The butterfly damper blades are made of aluminum and are equipped with a light spring that folds with minimal airflow. Applications The spring-loaded antidraft damper is built for heavy-duty performance in applications like overhead range hoods in kitchens, bathroom fans and tumble dryers. It can be fully or partially inserted into your duct work using the rubber rings to hold itself in place. Other one-way airflow uses include keep pilot lights burning in water heaters and keeping debris from entering inline duct fans in grow tents. Product Identification Manufacturer AC Infinity Inc. Product Name Backdraft Damper, 6" Product Model AC-BDD6-B UPC Code 819137021310 Product and Mounting Dimensions Duct Opening Size 6" Product Length 5.03 in. (12.8 cm) Product Performance and Technical Specs Whole Body Material Steel Shutter Material Aluminum Color Black Finish Powder Coat Review: Top bit of kit - Brilliant, sorted out the air coming into the property instantly! Felt warmer straight away, and looks very tidy and good quality. FOr the price of it as well, cant fault it at all. Review: Very solid unit. Walls are easily 2-3x thicker than the cheap ebay one I had before. Great design and quality. ## Features - An antidraft duct insert designed for use with range hoods, bathroom fans and other home HVAC applications. - Features outer rubber gaskets that create an airtight seal and grip between the damper and ducts. - Mounts horizontally or vertically to prevent backflow and debris from entering ducting. - Galvanized steel body with spring-loaded aluminum damper blades that open with minimal airflow. - Fit for 6 in. Duct Openings | Product Length: 5.03 inches | Finish: Powder Coat ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0842XLY96 | | Best Sellers Rank | 136,896 in DIY & Tools ( See Top 100 in DIY & Tools ) 373 in Ducting | | Brand | AC Infinity | | Colour | Black | | Country of Origin | China | | Customer Reviews | 4.5 4.5 out of 5 stars (1,857) | | Global Trade Identification Number | 00819137021310 | | Included Components | Backdraft Damper | | Item Dimensions | 13 x 14.7 x 5.8 centimetres | | Item Weight | 599 g | | Manufacturer | AC Infinity | | Material | Metal | | Model Number | AC-BDD6-B | | Size | 6 Inch | | UPC | 819137021310 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** AC Infinity - **Colour:** Black - **Global Trade Identification Number:** 00819137021310 - **Item dimensions L x W x H:** 13 x 14.7 x 5.8 centimetres - **Item weight:** 599 g - **Manufacturer:** AC Infinity - **Material:** Metal - **Size:** 6 Inch - **UPC:** 819137021310 ## Images ![150mm Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 150mm Ducting in Range Hoods and Bathrooms Fans, 6-Inch - Image 1](https://m.media-amazon.com/images/I/51ML+386kaL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Top bit of kit *by C***S on 7 January 2026* Brilliant, sorted out the air coming into the property instantly! Felt warmer straight away, and looks very tidy and good quality. FOr the price of it as well, cant fault it at all. ### ⭐⭐⭐⭐⭐ Review *by C***O on 7 December 2024* Very solid unit. Walls are easily 2-3x thicker than the cheap ebay one I had before. Great design and quality. ### ⭐ Review *by T***E on 21 December 2025* Das größte Außenmaß ist 206mm nicht 200mm. Die Klappen schlagen hart an und sind ungedämpft. Schöne Optik, aber mehr sicher nicht ## Frequently Bought Together - AC Infinity 6" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 6” Ducting in Range Hoods and Bathrooms Fans - AC Infinity Flexible 6-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust - AC Infinity Noise Reduction Clamp 6-Inch, Duct Coupler with Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/497238404-150mm-backdraft-damper-one-way-airflow-ducting-insert-with-spring](https://www.desertcart.pl/products/497238404-150mm-backdraft-damper-one-way-airflow-ducting-insert-with-spring) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-26*