--- product_id: 528159210 title: "4 inch 260 CFM Radon Mitigation System Inline Duct Fan, IP67 Waterproof Electric Exhaust Fan for Indoor Outdoor, Energy Efficient Duct Fan Ventilation Equipment" brand: "midcvfrun" price: "2698 kr" currency: DKK in_stock: true reviews_count: 9 url: https://www.desertcart.dk/products/528159210-4-inch-260-cfm-radon-mitigation-system-inline-duct-fan store_origin: DK region: Denmark --- # 260 CFM airflow Easy installation IP67 waterproof 4 inch 260 CFM Radon Mitigation System Inline Duct Fan, IP67 Waterproof Electric Exhaust Fan for Indoor Outdoor, Energy Efficient Duct Fan Ventilation Equipment **Brand:** midcvfrun **Price:** 2698 kr **Availability:** ✅ In Stock ## Summary > Breathe Easy, Live Smart! 🌬️ ## Quick Answers - **What is this?** 4 inch 260 CFM Radon Mitigation System Inline Duct Fan, IP67 Waterproof Electric Exhaust Fan for Indoor Outdoor, Energy Efficient Duct Fan Ventilation Equipment by midcvfrun - **How much does it cost?** 2698 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/528159210-4-inch-260-cfm-radon-mitigation-system-inline-duct-fan) ## Best For - midcvfrun enthusiasts ## Why This Product - Trusted midcvfrun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First:** ETL listed for 100% safety, backed by a 5-year limited warranty. - • **Energy Efficient:** Save up to 40% on energy costs compared to competitors. - • **Powerful Airflow:** Experience a robust 260 CFM airflow, perfect for any space. - • **Versatile Installation:** Designed for both indoor and outdoor use with IP67 waterproofing. - • **Whisper-Quiet Operation:** Enjoy peace and quiet with noise levels as low as 40-45 dB. ## Overview The 4 inch 260 CFM Radon Mitigation System Inline Duct Fan is a high-performance ventilation solution designed for both indoor and outdoor use. With an impressive airflow of 260 CFM, this fan operates quietly at 40-45 dB and is energy efficient, saving you up to 40% on energy costs. Its IP67 waterproof rating ensures durability in various environments, while the ETL listing guarantees safety and reliability. Easy to install with included instructions, this fan is perfect for residential, commercial, and industrial applications. ## Description 4 inch 260 CFM Radon Mitigation System Inline Duct Fan, IP67 Waterproof Electric Exhaust Fan for Indoor Outdoor, Energy Efficient Duct Fan Ventilation Equipment ## Features - 【2022 Upgrade Radon Mitigation Duct Fan】High airflow of 260CFM suitable for basement bathroom greenhouse inline exhaust fan. With strong air volume and air pressure, efficiently transfer heating/cooling to room rapidly, applied for circulate air, exhaust odors. - 【IP67 Waterproof, Available for Indoor Outdoor】Upgrade Inline duct fan use IP67 waterproof material and inside metal impeller, with this new innovation in design and function, you can install it both indoor and outdoor. - 【Ultra Quiet & Energy Saving Operation】The noise level is only 40-45db, This model has a working power wattage range up to 60 watts, Upon our many time’s testing, this model could save at least 40% energy compared with same competing models in the market. - 【Metal Impeller, Large Air Volume & Air Pressure】Update metal impeller waterproof and dustproof while provide larger air volume and larger air pressure. Easy to install, provide installation instruction and mounting brackets, You can easily finish assembly by yourself, saves labor and material for you. - 【U.S. Technology, ETL Listed 100% Safety to Use】Adopt U.S local technology our radon fan is with obtrusive performance, use balanced motor and impeller, thermally protected, and ETL listed, 100% safely used for industrial, commercial & residential, provide 5-year limited warranty. ## Images ![4 inch 260 CFM Radon Mitigation System Inline Duct Fan, IP67 Waterproof Electric Exhaust Fan for Indoor Outdoor, Energy Efficient Duct Fan Ventilation Equipment - Image 1](https://m.media-amazon.com/images/I/51bqxf1czKL.jpg) ![4 inch 260 CFM Radon Mitigation System Inline Duct Fan, IP67 Waterproof Electric Exhaust Fan for Indoor Outdoor, Energy Efficient Duct Fan Ventilation Equipment - Image 2](https://m.media-amazon.com/images/I/41sZ4IDjJ6L.jpg) ![4 inch 260 CFM Radon Mitigation System Inline Duct Fan, IP67 Waterproof Electric Exhaust Fan for Indoor Outdoor, Energy Efficient Duct Fan Ventilation Equipment - Image 3](https://m.media-amazon.com/images/I/51eJKteDgQL.jpg) ![4 inch 260 CFM Radon Mitigation System Inline Duct Fan, IP67 Waterproof Electric Exhaust Fan for Indoor Outdoor, Energy Efficient Duct Fan Ventilation Equipment - Image 4](https://m.media-amazon.com/images/I/51PDoSLNgCL.jpg) ![4 inch 260 CFM Radon Mitigation System Inline Duct Fan, IP67 Waterproof Electric Exhaust Fan for Indoor Outdoor, Energy Efficient Duct Fan Ventilation Equipment - Image 5](https://m.media-amazon.com/images/I/61FsMLynXjL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Only Ran 5 Months. MIDCVFRUN has reached out to me and has given a full refund. *by G***. on Reviewed in the United States on September 2, 2024* Installed this in May and by September it was junk. would not recommend!After posting this MIDCVFRUN has reached out to me to see how they could correct this problem either a new fan or a refund. I choose a refund and with in a few days a refund has come through. I'm still not sure of the fan. The company is very good and very honest. I would definitely recommend them as a company. Thank you MIDCVFRUN ### ⭐⭐⭐⭐ 4.0 out of 5 stars Price is good for the CFM *by O***E on Reviewed in the United States on September 8, 2024* The inlet and outlet was described as 4 inches, but the size was actually only 3 1/2" which created excessive misfit with a 4" flexible coupling when mounting.This size difference could cause leaking of the radon gases on the outlet side. ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Worked as designed. *by T***S on Reviewed in the United States on June 26, 2024* Product worked as designed and installation was very easy. --- ## 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.dk/products/528159210-4-inch-260-cfm-radon-mitigation-system-inline-duct-fan](https://www.desertcart.dk/products/528159210-4-inch-260-cfm-radon-mitigation-system-inline-duct-fan) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-04-25*