--- product_id: 648150083 title: "6\" Inch Duct Connector Flange with Backdraft Damper - Plastic Straight Pipe Flange for Heating Cooling - Inlet Outlet Ventilation System - Ducting Coupling Wall Plate - Assembly Joint (150mm)" brand: "repa market" price: "€ 66.28" currency: EUR in_stock: true reviews_count: 5 category: "Repa Market" url: https://www.desertcart.sk/products/648150083-6-inch-duct-connector-flange-with-backdraft-damper-plastic-straight store_origin: SK region: Slovakia --- # Ø149mm neck diameter for perfect fit Easy screw-mount installation Backdraft damper blocks cold air & odors 6" Inch Duct Connector Flange with Backdraft Damper - Plastic Straight Pipe Flange for Heating Cooling - Inlet Outlet Ventilation System - Ducting Coupling Wall Plate - Assembly Joint (150mm) **Brand:** repa market **Price:** € 66.28 **Availability:** ✅ In Stock ## Summary > 🚀 Seal the deal with airtight precision and no backdraft blues! ## Quick Answers - **What is this?** 6" Inch Duct Connector Flange with Backdraft Damper - Plastic Straight Pipe Flange for Heating Cooling - Inlet Outlet Ventilation System - Ducting Coupling Wall Plate - Assembly Joint (150mm) by repa market - **How much does it cost?** € 66.28 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/648150083-6-inch-duct-connector-flange-with-backdraft-damper-plastic-straight) ## Best For - repa market enthusiasts ## Why This Product - Trusted repa market brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Installation:** Mounts quickly on walls or ceilings with standard screws—no fuss, no leaks, just airtight reliability. - • **Versatile HVAC Solution:** Perfect for air conditioners, dryer vents, kitchen and bathroom exhausts, inline fans, and more. - • **Precision Engineered Fit:** Designed with exact Ø149mm neck and 200x200mm flange for seamless 150mm duct connections. - • **Durable & Weather-Resistant:** Made from corrosion-free PP plastic, built to withstand -20°C to +70°C for long-lasting HVAC performance. - • **Integrated Backdraft Damper:** Stops unwanted airflow, odors, and insects—keeping your space fresh and efficient. ## Overview This 6" duct connector flange with integrated backdraft damper offers a precise, durable, and easy-to-install solution for HVAC systems. Crafted from corrosion-resistant plastic, it ensures airtight connections while preventing cold air, odors, and insect backflow. Ideal for both residential and commercial ventilation needs, it supports a wide temperature range and fits standard 150mm ducts for versatile use. ## Description Quick solution for easily connecting your ducting to your wall, floor, ceiling opening or dryer vent hose flange mounting flange for trouble-free, air-tight installation Easy to install, compatible with Inch tube vent pipe cap Best compatible with other REPA MARKET hvac parts. We always provide you with premium equipments and service for home improvement SM:cover insulation fan hood flex flexible collar plate insulated self cut system indoor duct vent pipe cap dryer exhaust damper cap roof seal house idealair outlet insulation pads dryer conditioner fittings heat adhesive range gasket pipe kit insulation vent Review: Worked great. Needed to duct through a solid wall for an air vent and a drier vent. Used these on each side of the wall with 4" metal duct lining in the wall. These allowed me to attach the through wall ducting and the exterior ducting on either side of the wall. Review: Just as described easy to fit and is working perfectly ## Features - PRECISE DIMENSIONS - Neck diameter: Ø149mm / Flange dimensions: 200 x 200mm / Screw hole spacing: 185 x 185mm / Total insertion depth: 62mm. Designed for a tight, stable connection with standard 150mm diameter ventilation pipes. - High-quality material and back flap - Made of durable PP plastic with a temperature range of -20 °C to +70 °C. Integrated backdraft damper reliably prevents cold air, odours and insect backflow. Retains its shape, corrosion free and moisture resistant - ideal for long-term use in heating, ventilation and air conditioning systems. - Easy installation - The wall flange can be easily mounted. Simply attach to the wall or ceiling, secure with screws (not included) and insert the pipe - ready to use for an airtight connection. - Versatile use: Perfect as an adapter or connector for air conditioners, exhaust systems of tumble dryers, bathroom or kitchen ventilations, inline fans, hydroponics or cooker hoods. - Reliable connection - The smooth pipe transition ensures low air resistance and a secure, tight connection between pipes. Ideal for professional and home use indoors. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BRD1KKZT | | ASIN | B0BRD1KKZT | | Batteries Included? | No | | Batteries Required? | No | | Best Sellers Rank | #189,727 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) | | Color | White | | Customer Reviews | 4.4 4.4 out of 5 stars (270) | | Customer reviews | 4.4 4.4 out of 5 stars (270) | | Date First Available | 28 January 2023 | | Date First Available | 28 January 2023 | | Included components | Connector Flange w/Backdraft Damper | | Item Package Quantity | 1 | | Item Weight | 140 g | | Manufacturer | Repa Market | | Manufacturer | Repa Market | | Material | Plastic | | Measurement System | English/Standard | | Number Of Pieces | 1 | | Product Dimensions | 20 x 6.3 x 20 cm; 140 g | | Product Dimensions | 20 x 6.3 x 20 cm; 140 g | | Shape | Square | | Size | 6'' Inch w/Backdraft Damper | | Special Features | Easy to Install | | Specific uses | Commercial/Residential | ## Product Details - **Brand:** Repa Market - **Colour:** White - **Item dimensions L x W x H:** 20 x 6.3 x 20 centimeters - **Material:** Plastic - **Size:** 6'' Inch w/Backdraft Damper ## Images ![6" Inch Duct Connector Flange with Backdraft Damper - Plastic Straight Pipe Flange for Heating Cooling - Inlet Outlet Ventilation System - Ducting Coupling Wall Plate - Assembly Joint (150mm) - Image 1](https://m.media-amazon.com/images/I/51H1gh9qzpL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***R on 11 October 2025* Worked great. Needed to duct through a solid wall for an air vent and a drier vent. Used these on each side of the wall with 4" metal duct lining in the wall. These allowed me to attach the through wall ducting and the exterior ducting on either side of the wall. ### ⭐⭐⭐⭐⭐ Review *by A***) on 6 February 2026* Just as described easy to fit and is working perfectly ### ⭐⭐⭐⭐⭐ Review *by G***D on 9 January 2026* DONE THE JOB ## Frequently Bought Together - 6" Inch Duct Connector Flange with Backdraft Damper - Plastic Straight Pipe Flange for Heating Cooling - Inlet Outlet Ventilation System - Ducting Coupling Wall Plate - Assembly Joint (150mm) - AC Infinity Flexible 6-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust - EesTeck 4Pcs 6" Adjustable 304 Stainless Steel Duct Clamps Hose Clamp Pipe Clamp Air Ducting Clamp worm drive hose clamps（141mm-165mm） --- ## 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.sk/products/648150083-6-inch-duct-connector-flange-with-backdraft-damper-plastic-straight](https://www.desertcart.sk/products/648150083-6-inch-duct-connector-flange-with-backdraft-damper-plastic-straight) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-05-19*