--- product_id: 468047626 title: "WeCooper Connector with backdraught Shutter 150mm, Non Return 6-Inch Damper Flap to Connect Duct Pipe or Flexible Hose Pipe" brand: "wecooper" price: "€ 37.89" currency: EUR in_stock: true reviews_count: 13 category: "We Cooper" url: https://www.desertcart.at/products/468047626-wecooper-connector-with-backdraught-shutter-150mm-non-return-6-inch store_origin: AT region: Austria --- # Heat resistant up to 140°F One-directional airflow damper 150mm (6-inch) precision fit WeCooper Connector with backdraught Shutter 150mm, Non Return 6-Inch Damper Flap to Connect Duct Pipe or Flexible Hose Pipe **Brand:** wecooper **Price:** € 37.89 **Availability:** ✅ In Stock ## Summary > 🌬️ Stop drafts, start comfort — the smart duct upgrade you didn’t know you needed! ## Quick Answers - **What is this?** WeCooper Connector with backdraught Shutter 150mm, Non Return 6-Inch Damper Flap to Connect Duct Pipe or Flexible Hose Pipe by wecooper - **How much does it cost?** € 37.89 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/468047626-wecooper-connector-with-backdraught-shutter-150mm-non-return-6-inch) ## Best For - wecooper enthusiasts ## Why This Product - Trusted wecooper brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Installation:** Designed for quick horizontal or vertical setup with secure clamps for flexible ducts—get it right the first time. - • **Whisper-Quiet Operation:** Foam rubber sealing minimizes noise and maximizes airtightness—because your home deserves peace and comfort. - • **Smart Backdraft Prevention:** Automatic butterfly valve opens only with outflow, eliminating unwanted drafts and boosting energy efficiency. - • **Seamless 6-Inch Integration:** Perfectly engineered for 150mm ducts and flexible hoses, ensuring a snug, leak-proof connection. - • **Durable Industrial-Grade Build:** Galvanized steel casing, aluminum blades, and stainless steel shaft & spring for long-lasting, rust-resistant performance. ## Overview The WeCooper 6-inch Backdraught Shutter Connector is a high-quality ventilation accessory designed to fit 150mm round ducts or flexible hoses. Featuring a galvanized steel casing, aluminum butterfly valve, and stainless steel components, it ensures durable, heat-resistant operation up to 140°F. Its automatic one-way airflow damper prevents backdrafts, reduces noise with foam sealing, and installs easily in both horizontal and vertical positions—ideal for dryers, extractor fans, and HVAC systems. ## Description Backdraft Shutter Damper Review: good spring , no draft . - very good , works as it should without backdraft . far better than manrose with the week spring that might as well not be there. Review: Solid kit. - Well made. ## Features - HOME IMPROVEMENT: Pipe cover flap, butterfly valve. Especially suitable for inserting into 150mm round pipe or flexible hose. Perfect for use in Tumble Dryer, bathrooms, garages ,air conditioners, extractor fan, extractor hoods, Hydroponics, In-Line Extract Fans, and ventilation systems - EASY INSTALLATION: The duct damper opens and closes automatically, allowing only one-directional airflow. The damper blades open only in the outflowing air direction when the shutter is installed. The duct valve for 6-inch duct best installed in a horizontal position and inserted fully into the duct. This also applies to vertical installation - HIGH-QUALITY MATERIALS: The casing of the shutter is made of galvanized steel sheet. The dryer vent valve blades are made of aluminium. The shaft and spring are made of stainless steel. The shutter is able to withstand temperatures up to 140°F - GREAT FOR HOME USE: The foam rubber sealing on the damper reduces operation noise and provides extra air tightness. The back draught valve can be inserted into a non-flexible metal or plastic duct directly, but for flexible duct you need to use steel duct clamps to secure the backdraft damper - WARM PROMPT: Please kindly confirm the size you need before ordering to make sure a fit ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09TF3X67F | | Best Sellers Rank | 53,159 in DIY & Tools ( See Top 100 in DIY & Tools ) 132 in Ducting | | Brand | WeCooper | | Connector Type | Barb, Compression | | Country of Origin | China | | Customer Reviews | 4.2 4.2 out of 5 stars (305) | | Exterior Finish | Painted | | Inlet Connection Size | 10.5 Centimeters | | Inlet Connection Type | Compression | | Item Dimensions | 10.5 x 10.5 x 9.5 centimetres | | Manufacturer | WeCooper | | Material | Aluminium, Stainless Steel, galvanized steel sheet | | Model Number | vent | | Number of Pieces | 1 | | Outlet Connection Size | 15.24 Centimeters | | Outlet Connection Type | Female Iron Pipe | | Size | 6 inch | | Thread Size | G 1 1/4 | | Thread Type | NPT | | UPC | 700721630738 | | Valve Type | Butterfly Valve | ## Product Details - **Brand:** WeCooper - **Exterior finish:** Painted - **Inlet connection size:** 10.5 Centimeters - **Inlet connection type:** Compression - **Item dimensions L x W x H:** 10.5 x 10.5 x 9.5 centimetres - **Manufacturer:** WeCooper - **Material:** Aluminium, Stainless Steel, galvanized steel sheet - **Outlet connection size:** 15.24 Centimeters - **Outlet connection type:** Female Iron Pipe - **UPC:** 700721630738 ## Images ![WeCooper Connector with backdraught Shutter 150mm, Non Return 6-Inch Damper Flap to Connect Duct Pipe or Flexible Hose Pipe - Image 1](https://m.media-amazon.com/images/I/61GtzyGRtgL.jpg) ![WeCooper Connector with backdraught Shutter 150mm, Non Return 6-Inch Damper Flap to Connect Duct Pipe or Flexible Hose Pipe - Image 2](https://m.media-amazon.com/images/I/7115-BRe+AL.jpg) ![WeCooper Connector with backdraught Shutter 150mm, Non Return 6-Inch Damper Flap to Connect Duct Pipe or Flexible Hose Pipe - Image 3](https://m.media-amazon.com/images/I/61V62DCtFmL.jpg) ![WeCooper Connector with backdraught Shutter 150mm, Non Return 6-Inch Damper Flap to Connect Duct Pipe or Flexible Hose Pipe - Image 4](https://m.media-amazon.com/images/I/61NzVI-gMPL.jpg) ![WeCooper Connector with backdraught Shutter 150mm, Non Return 6-Inch Damper Flap to Connect Duct Pipe or Flexible Hose Pipe - Image 5](https://m.media-amazon.com/images/I/61CsVe8Zm+L.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ good spring , no draft . *by S***E on 23 April 2025* very good , works as it should without backdraft . far better than manrose with the week spring that might as well not be there. ### ⭐⭐⭐⭐ Solid kit. *by M***N on 23 February 2026* Well made. ### ⭐⭐⭐⭐⭐ Works well *by W***L on 29 January 2026* Sorted my problem,works well! ## Frequently Bought Together - WeCooper Plug-in backflow flap, DN 150 mm, extractor extractor flap - Aygrochy 150 mm PVC Exhaust Hose, 3 Metres Ventilation Hose with 2 Hose Clamps, Stainless Steel for Mobile Air Conditioning, Dryer, Exhaust Fan, Extractor Hood, Ventilation System --- ## 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.at/products/468047626-wecooper-connector-with-backdraught-shutter-150mm-non-return-6-inch](https://www.desertcart.at/products/468047626-wecooper-connector-with-backdraught-shutter-150mm-non-return-6-inch) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-04-22*