--- product_id: 539767960 title: "4\" Bathroom Extractor Fan 100mm Exhaust Fan with Backflow Flap, Powerful Window Extractor Fans for Dehumidification Ventilation, Airflow 150 m³/Hour, Silent for Kitchen Ceiling Window Office" brand: "lekaufen" price: "฿5841" currency: THB in_stock: true url: https://www.desertcart.co.th/products/539767960-4-bathroom-extractor-fan-100mm-exhaust-fan-with-backflow-flap store_origin: TH region: Thailand --- # 23W low power 150 m³/h airflow 35 dB ultra-quiet 4" Bathroom Extractor Fan 100mm Exhaust Fan with Backflow Flap, Powerful Window Extractor Fans for Dehumidification Ventilation, Airflow 150 m³/Hour, Silent for Kitchen Ceiling Window Office **Brand:** lekaufen **Price:** ฿5841 **Availability:** ✅ In Stock ## Summary > 💨 Breathe easy with silent, powerful ventilation that keeps your space fresh and flawless. ## Quick Answers - **What is this?** 4" Bathroom Extractor Fan 100mm Exhaust Fan with Backflow Flap, Powerful Window Extractor Fans for Dehumidification Ventilation, Airflow 150 m³/Hour, Silent for Kitchen Ceiling Window Office by lekaufen - **How much does it cost?** ฿5841 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/539767960-4-bathroom-extractor-fan-100mm-exhaust-fan-with-backflow-flap) ## Best For - lekaufen enthusiasts ## Why This Product - Trusted lekaufen brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Powerful Airflow:** Delivers 150 m³/hour to rapidly clear moisture and odors. - • **Smart Backflow Flap:** Automatic valve prevents odors and insects when off—freshness locked in. - • **Whisper-Quiet Operation:** Runs at just 35 dB—peaceful ventilation without disruption. - • **Durable & Weather-Resistant:** High-strength ABS with UV and corrosion protection for lasting reliability. - • **Energy-Efficient Performance:** Consumes only 23 watts for eco-friendly, cost-saving use. ## Overview The LeKaufen 4" Bathroom Extractor Fan combines a robust 150 m³/h airflow with whisper-quiet 35 dB operation, powered efficiently at 23 watts. Designed for small spaces like bathrooms, kitchens, and offices, it features a smart backflow flap to block odors and insects, and is built from durable, UV-resistant ABS plastic for long-lasting performance in humid environments. ## Description 4" Bathroom Extractor Fan 100mm Exhaust Fan with Backflow Flap, Powerful Window Extractor Fans for Dehumidification Ventilation, Airflow 150 m³/Hour, Silent for Kitchen Ceiling Window Office ## Features - 【Quiet Extractor Fan Bathroom】: our 4 inch bathroom extractor fan runs much quieter than the others and does not disturb you. Ideal for greenhouses, windowless bathrooms, bathrooms, sheds, kitchens, basements, hobby rooms, toilets, workshops, living rooms, attics, showers, restaurants, pet rooms, garages, smoking rooms, offices, exhaust rooms and damp rooms. Designed for small spaces, lighter and thinner, closer to your needs and life. - 【Easy to install-Bathroom Fan Extractor】: Note: blue is the zero conductor, black/grey/red is the live conductor, yellow/green is the earth conductor (can be connected or not). Diameter of backflow pipe is 100mm (4") and size of panel is 150x150mm. Easy installation with standard tools. 4" window extractor fan bathroom can be installed on windows, gates and panels. - 【Low Power Consumption & High Suction Performance】: 100mm Extractor Fan provide the best solution to ensure continuous removal of pollutants from the room. As a kitchen extractor fan, it quickly the smoke; as a bathroom fan extractor, quickly absorbs moisture and odours; as a household portable extractor fan, improves air circulation and removes exhaust gases and odours, ensuring a fresh and comfortable living environment. - 【High-quality material】: The exhaust fan is made of high-strength ABS, the 4 inch extractor fan is impact-resistant, UV-resistant, anti-static, good corrosion protection and anti-ageing protection. Easy to clean. The built-in motor with overheating protection device is lightweight, low vibration, stable, safe and long-lasting. IPX2 waterproof rating, easy to face the humid environment. - 【Automatic shrink valve】: when the bathroom ceiling extractor fan is in operation, the valve will automatically open and the valve will automatically close when it stops. When you stop the extractor fan bathroom, it avoids any air circulation and protects against all odours and insects that can filter through the ventilation holes. - 【 Note】: Window extractor fan 4 inch is suitable for glass and window as the wires come out from underneath the panel. If installed on the ceiling, there will be a little wire exposed, visually not so beautiful. Please pay attention to the specific installation location, please do not buy if you mind. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | LeKaufen | | Model Number | bathroom ceiling extractor fan | | Color | White | | Product Dimensions | 15 x 10 x 11 cm; 520 g | | Power / Wattage | 23 watts | | Voltage | 230 | | Material | Plastic | | Auto Shutoff | No | | Number of Speeds | 2300 | | Noise Level | 35 dB | | Special Features | extractor fan, extractor fan bathroom, silent extractor fan bathroom, bathroom extractor fan, bathroom fan extractor | | Item Weight | 520 g | ## Product Details - **Brand:** LeKaufen - **Colour:** White - **Electric fan design:** Exhaust Fan - **Power source:** bathroom ventilation fan - **Style:** Modern - **Product dimensions:** 15D x 10W x 11H centimeters - **Room type:** Toilet,Garage,Office,Kitchen,Bathroom - **Special features:** (function(f) {var _np=(window.P._namespace("DetailPageProductOverviewTemplatesJava"));if(_np.guardFatal){_np.guardFatal(f)(_np);}else{f(_np);}}(function(P) { P.when('A').execute(function(A){ A.on('a:truncate:po-attribute-truncate-7:updated', function(data) { var isTruncated = !data.truncateInstance.getIfTextFits(); var seeMoreElement = document.getElementById('po-attribute-see-more-id-7'); if(seeMoreElement) { seeMoreElement.style.display = isTruncated ? '' : 'none'; } }) }); })); extractor fan, extractor fan bathroom, silent extractor fan bathroom, bathroom extractor fan, bathroom fan extractorextractor fan, extractor fan bathroom, sile… See more - **Recommended uses for product:** Air Circulation - **Mounting type:** Window Mount, Ceiling Mount ## Images ![4" Bathroom Extractor Fan 100mm Exhaust Fan with Backflow Flap, Powerful Window Extractor Fans for Dehumidification Ventilation, Airflow 150 m³/Hour, Silent for Kitchen Ceiling Window Office - Image 1](https://m.media-amazon.com/images/I/51MTa5Q7zNL.jpg) ![4" Bathroom Extractor Fan 100mm Exhaust Fan with Backflow Flap, Powerful Window Extractor Fans for Dehumidification Ventilation, Airflow 150 m³/Hour, Silent for Kitchen Ceiling Window Office - Image 2](https://m.media-amazon.com/images/I/61fay9DChVL.jpg) ![4" Bathroom Extractor Fan 100mm Exhaust Fan with Backflow Flap, Powerful Window Extractor Fans for Dehumidification Ventilation, Airflow 150 m³/Hour, Silent for Kitchen Ceiling Window Office - Image 3](https://m.media-amazon.com/images/I/71scXVS21tL.jpg) ![4" Bathroom Extractor Fan 100mm Exhaust Fan with Backflow Flap, Powerful Window Extractor Fans for Dehumidification Ventilation, Airflow 150 m³/Hour, Silent for Kitchen Ceiling Window Office - Image 4](https://m.media-amazon.com/images/I/614bh8+4N8L.jpg) ![4" Bathroom Extractor Fan 100mm Exhaust Fan with Backflow Flap, Powerful Window Extractor Fans for Dehumidification Ventilation, Airflow 150 m³/Hour, Silent for Kitchen Ceiling Window Office - Image 5](https://m.media-amazon.com/images/I/61v5609RQgL.jpg) ## Frequently Bought Together - LeKaufen 4" Bathroom Extractor Fan 100mm Exhaust Fan with Backflow Flap, Powerful Window Extractor Fans for Dehumidification Ventilation, Airflow 150 m³/Hour, Silent for Kitchen Ceiling Window Office - Kair White Gravity Grille 155mm External Dimension Ducting Air Vent with 100mm - 4 inch Round Rear Spigot and Not-Return Shutters - Kair PVC Flexible Hose 102mm External Diameter / 100mm - 4 inch Universal Tumble Dryer, Cooker Hood, Extractor Fan, Air Conditioner Hose - 3 Metre Length --- ## 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.co.th/products/539767960-4-bathroom-extractor-fan-100mm-exhaust-fan-with-backflow-flap](https://www.desertcart.co.th/products/539767960-4-bathroom-extractor-fan-100mm-exhaust-fan-with-backflow-flap) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-27*