--- product_id: 654059624 title: "Vent Systems 150 mm / 6\" Inch Backdraft Damper Stopper - Male Fit Dryer Vent Backflow with Shutter - Plastic One-Way Airflow Ducting Insert - Inline Fan Vent Deflector" brand: "vent systems" price: "Rp720743" currency: IDR in_stock: true reviews_count: 8 category: "Vent Systems" url: https://www.desertcart.id/products/654059624-vent-systems-150-mm-6-inch-backdraft-damper-stopper-male store_origin: ID region: Indonesia --- # Fits 150mm ductwork precisely Durable, eco-friendly plastic build Backdraft damper stops unwanted airflow Vent Systems 150 mm / 6" Inch Backdraft Damper Stopper - Male Fit Dryer Vent Backflow with Shutter - Plastic One-Way Airflow Ducting Insert - Inline Fan Vent Deflector **Brand:** vent systems **Price:** Rp720743 **Availability:** ✅ In Stock ## Summary > 🚀 Stop drafts, start comfort — your ventilation’s new MVP! ## Quick Answers - **What is this?** Vent Systems 150 mm / 6" Inch Backdraft Damper Stopper - Male Fit Dryer Vent Backflow with Shutter - Plastic One-Way Airflow Ducting Insert - Inline Fan Vent Deflector by vent systems - **How much does it cost?** Rp720743 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.id](https://www.desertcart.id/products/654059624-vent-systems-150-mm-6-inch-backdraft-damper-stopper-male) ## Best For - vent systems enthusiasts ## Why This Product - Trusted vent systems brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Installation:** Slide-in male fit design secured with tape or clamps—no professional help needed. - • **Universal Compatibility:** Perfect for dryer vents, extractor fans, cooker hoods, and ventilation systems alike. - • **Precision Fit for 150mm Ducts:** Seamlessly integrates with standard round ducting for hassle-free installation. - • **Robust & Eco-Conscious Material:** Crafted from temperature-resistant, non-toxic plastic built to last in any environment. - • **Automatic One-Way Airflow Control:** Backdraft damper shutter opens only to outgoing air, blocking cold drafts and odors. ## Overview The Vent Systems 150 mm Backdraft Damper Stopper is a precision-engineered, male-fit plastic insert designed to prevent backflow and cold air intrusion in ventilation ducts. Compatible with standard 150mm round ductwork, it features an automatic shutter that ensures one-way airflow, enhancing energy efficiency and indoor air quality. Made from durable, temperature-resistant, and eco-friendly plastic, it fits a wide range of applications including dryer vents, extractor fans, and cooker hoods, offering a quick, tool-free installation solution favored by professionals and DIY enthusiasts alike. ## Description Shop Vent Systems 150 mm / 6" Inch Backdraft Damper Stopper - Male Fit Dryer Vent Backflow with Shutter - Plastic One-Way Airflow Ducting Insert - Inline Fan Vent Deflector. Free delivery on eligible orders of £20 or more. Review: great product - simple & effective. Review: Good quality - Works perfectly and seals well. ## Features - COMPATIBLE WITH 150MM DUCTWORK: This male-fit coupler (inserts INTO the duct) has a diameter of 149mm / 5.87" for connection with round ducting pipes in a straight line. Connector overall length is 2.4" / 61 mm and it's thickness is 0.08" / 2 mm. The backflow damper opens and closes automatically. - Crafted from durable plastic with temperature resistance of -20°C to +60°C, this material offers high strength, excellent toughness, and ease of processing. It's environmentally friendly and non-toxic, making it a safe choice for both residential and commercial ducting applications, including tumble dryer vents, extractor fans, ventilation systems, and cooker hoods. - Designed to fit most extractor fans, bathroom fans, kitchen exhaust fans, in-line extract fans, cooker hoods, and various heating or cooling ducts. Just slide the flange into your round ducts and secure it with duct tape, clamps, or sealant for a quick and straightforward installation. - Duct draft stopper prevent cold air or wind from entering the ventilation pipe. In this case, the flap is installed in such a way that the flap leaves only open into the outgoing air direction. This means that no cold air / wind or smell can penetrate the ventilation pipe from the outside. - The backflow Preventer valve is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09PBMP424 | | Best Sellers Rank | 17,426 in DIY & Tools ( See Top 100 in DIY & Tools ) 103 in Registers, Grilles & Vents | | Brand | Vent Systems | | Colour | White | | Connector Type | Coupling | | Connector type | Coupling | | Country of Origin | Poland | | Customer Reviews | 4.6 out of 5 stars 195 Reviews | | Global Trade Identification Number | 04751037234222 | | Included Components | Pipe Connector | | Item Dimensions | 15.2 x 15.2 x 6.2 centimetres | | Item Weight | 109 g | | Item dimensions L x W x H | 15.2 x 15.2 x 6.2 centimetres | | Manufacturer | Vent Systems | | Material | Plastic | | Model Number | 6'' Inch Backdraft Damper | | Number of Pieces | 1 | | Size | 150 mm / 5.90" w/Backdraft Damper | | Thread Type | NPT | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Vent Systems - **Colour:** White - **Connector type:** Coupling - **Global Trade Identification Number:** 04751037234222 - **Item dimensions L x W x H:** 15.2 x 15.2 x 6.2 centimetres - **Item weight:** 0.24 Pounds - **Material:** Plastic - **Number of pieces:** 1 - **Size:** 150 mm / 5.90" w/Backdraft Damper - **Thread type:** NPT ## Images ![Vent Systems 150 mm / 6" Inch Backdraft Damper Stopper - Male Fit Dryer Vent Backflow with Shutter - Plastic One-Way Airflow Ducting Insert - Inline Fan Vent Deflector - Image 1](https://m.media-amazon.com/images/I/61I1zOKgNfL.jpg) ## Available Options This product comes in different **Size, Item Package Quantity** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ great product *by E***T on 22 January 2026* simple & effective. ### ⭐⭐⭐⭐⭐ Good quality *by M***N on 13 January 2026* Works perfectly and seals well. ### ⭐⭐⭐⭐⭐ Good quality, easy to fit. *by P***L on 1 January 2026* Good quality, easy to fit and so far, does a good job. Only time will tell if it lasts? --- ## 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.id/products/654059624-vent-systems-150-mm-6-inch-backdraft-damper-stopper-male](https://www.desertcart.id/products/654059624-vent-systems-150-mm-6-inch-backdraft-damper-stopper-male) --- *Product available on Desertcart Indonesia* *Store origin: ID* *Last updated: 2026-05-10*