--- product_id: 104382782 title: "Lasko - 20\" Weather-Shield Performance Box Fan, 3-Speed (3720)" brand: "lasko" price: "€ 343.82" currency: EUR in_stock: true url: https://www.desertcart.gr/products/104382782-lasko-20-weather-shield-performance-box-fan-3-speed-3720 store_origin: GR region: Greece --- # weather-shield motor for rain under $0.02/hr energy cost 30% more air velocity Lasko - 20" Weather-Shield Performance Box Fan, 3-Speed (3720) **Brand:** lasko **Price:** € 343.82 **Availability:** ✅ In Stock ## Summary > 🌪️ Elevate your air game—cool smarter, live better! ## Quick Answers - **What is this?** Lasko - 20" Weather-Shield Performance Box Fan, 3-Speed (3720) by lasko - **How much does it cost?** € 343.82 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/104382782-lasko-20-weather-shield-performance-box-fan-3-speed-3720) ## Best For - lasko enthusiasts ## Why This Product - Trusted lasko brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Tool-Free Setup:** Out of the box to breeze in seconds—because your time is as valuable as your comfort. - • **Weather-Shield Motor:** Leave it in your window worry-free, rain or shine—durability that keeps pace with your lifestyle. - • **Innovative Wind Ring System:** Boost airflow by 30% without extra power—engineered for maximum refreshment with minimal energy. - • **Save-Smart Energy Efficiency:** Keep cool and cut costs with operation under 2 cents per hour—eco-friendly meets wallet-friendly. - • **Whisper-Quiet 3-Speed Control:** Customize your breeze without the noise—perfect for focused work or restful sleep. ## Overview The Lasko 20" Weather-Shield Performance Box Fan combines a patented weather-resistant motor with a high-efficiency wind ring system to deliver 30% more airflow at an ultra-low operating cost of less than 2 cents per hour. Its quiet 3-speed settings and easy no-tool assembly make it an ideal, energy-smart cooling solution for bedrooms, offices, and open windows—even in light rain. ## Description This high-performing box fan from Lasko features a patented Weather-Shield motor for worry-free window use, plus a high performance grill for ultimate air flow. Three speeds and Save-Smart (costs less than 2¢ per hour to operate) make this an ideal fan for any room where you need to increase cooling airflow. ## Features - 3 Quiet Speeds - makes this fan ideal for the bedroom, living room, kitchen, or home office. The quiet yet powerful motor provides a cooling breeze throughout the room. - Save-Smart - means you'll pay less than $0.02 per hour to operate the fan. Combine this with up to 30% more air velocity and you have an energy efficient fan to use year round. - Weather Shield Motor - allows you to use the fan worry free in an open window. Thanks to the weather shield motor you can leave the fan in place during minor rain. - Innovative Wind Ring System - is designed to increase air velocity without increasing power consumption. This allows the fan to circulate more air compared to traditional fans. - Simple No-Tools Assembly - allows you to take the fan out of the box and have it working in seconds. Just clip the stabilizing feet onto the fan, stand up the fan, and it's ready to use. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07NLJB35W | | Best Sellers Rank | #2,415,616 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #710 in Floor Fans | | Blade Material | Plastic | | Brand Name | Lasko | | Collection Name | Home,Kitchen,Living Room,Office | | Color | Standard | | Control Method | App | | Controller Type | Manual controls | | Customer Reviews | 4.1 4.1 out of 5 stars (163) | | Electric Fan Design | Window Fan | | Finish Type | White or Cream | | Global Trade Identification Number | 00046013418807 | | Included Components | Plastic Feet | | Indoor Outdoor Usage | Indoor | | Installation Type | Floor Mount, Window Mount, Wall Mount | | Item Dimensions D x W x H | 4.75"D x 21.25"W x 22.5"H | | Item Type Name | Household Fans | | Item Weight | 8.3 pounds | | Manufacturer | Lasko | | Material | Plastic | | Model Name | Lasko - 20" Weather-Shield Performance Box Fan, 3-Speed (3720) | | Model Number | 3720 | | Mounting Type | Floor Mount, Window Mount, Wall Mount | | Number of Blades | 5 | | Number of Packs | 1 | | Number of Power Levels | 3 | | Number of Speeds | 3 | | Part Number | 3720 | | Power Source | Corded Electric | | Recommended Uses For Product | Bedroom, Home | | Room Type | Bedroom, Living Room | | Special Features | Energy Efficient | | Specification Met | no | | Standby Power Shutoff | Energy-efficient, high-performing | | Style | Traditional | | Switch Type | knob | | Theme | Household Fans | | UPC | 046013418807 | | Unit Count | 1 Count | | Wattage | 20 watts | ## Product Details - **Brand:** Lasko - **Color:** Standard - **Electric fan design:** Window Fan - **Mounting Type:** Floor Mount, Window Mount, Wall Mount - **Power Source:** Corded Electric - **Product Dimensions:** 4.75"D x 21.25"W x 22.5"H - **Recommended Uses For Product:** Bedroom, Home - **Room Type:** Bedroom, Living Room - **Special Feature:** Energy Efficient - **Style:** Traditional ## Images ![Lasko - 20" Weather-Shield Performance Box Fan, 3-Speed (3720) - Image 1](https://m.media-amazon.com/images/I/81y6PL60EIL.jpg) ![Lasko - 20" Weather-Shield Performance Box Fan, 3-Speed (3720) - Image 2](https://m.media-amazon.com/images/I/71eBJp+8irL.jpg) ![Lasko - 20" Weather-Shield Performance Box Fan, 3-Speed (3720) - Image 3](https://m.media-amazon.com/images/I/716KJqRH3NL.jpg) ![Lasko - 20" Weather-Shield Performance Box Fan, 3-Speed (3720) - Image 4](https://m.media-amazon.com/images/I/61lDm8lzAWL.jpg) ![Lasko - 20" Weather-Shield Performance Box Fan, 3-Speed (3720) - Image 5](https://m.media-amazon.com/images/I/71pGB7tS8XL.jpg) ## Frequently Bought Together - Lasko - 20" Weather-Shield Performance Box Fan, 3-Speed (3720) - Lasko Wind Machine Air Circulator Floor Fan, 3 Speeds, Pivoting Head for Large Spaces, 20", 3300, White - Genesis 20" Box Fan, 3 Settings, Max Cooling Technology, Carry Handle, Black (G20BOX-BLK) --- ## 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.gr/products/104382782-lasko-20-weather-shield-performance-box-fan-3-speed-3720](https://www.desertcart.gr/products/104382782-lasko-20-weather-shield-performance-box-fan-3-speed-3720) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-08-30*