Window Exhaust Fan, Punch-free Door and Window Fan, Adjustable Length (52-140cm Optional), Speed 2800 RPM, Air Volume 85m/h Per Fan, for Home, Kitchen, Bedroom & Office

Specifications: Name: Window Exhaust Fan Color: White Telescopic Size: 52-70CM, 66-84CM, 80-98CM, 94-112CM, 108-126CM, 122-140CM optional Air Volume: 85m/h per fan Speed: 2800 RPM Fan Size: 14cm*14cm Noise: Maximum 41dba per fan Power: 2.4W/per fan Package Includes: 1PC * Window Exhaust Fan Note: 1. Due to the difference in light and screen settings, the color of this item may be slightly different from the pictures. 2. Due to manual measurement, 1-3cm error is allowed.

• FLEXIBLE AND RETRACTABLE INSTALLATION: The Window Exhaust Fan features a punch-free design that allows for easy installation by non-professionals in just 3 minutes. Its adjustable length ranges from 52 to 140 cm, with single sections retractable up to 18 cm, making it perfect for various space requirements
• EFFICIENT HEAT DISSIPATION PERFORMANCE: Designed with an axial fan structure, this Window Exhaust Fan boasts a powerful air volume of 85m³/h at a speed of 2800 RPM. The high-quality steel ensures rapid heat dissipation and stable operation without jamming, allowing you to increase or decrease the number of fans as needed
• ULTRA-QUIET ADJUSTABLE SPEED: This Window Exhaust Fan operates quietly, with a maximum noise level of 41dB (as low as 20dB during whole machine operation). Enjoy stepless speed regulation to free adjust air volume and noise levels, catering to different environments such as your home, kitchen, bedroom, or office
• ENERGY-SAVING AND POWER-SAVING CONFIGURATION: With a power consumption of only 2.4W per fan, the Window Exhaust Fan is designed for energy efficiency. Operating 6 fans fully open for 24 hours consumes less than 0.35 degrees, making it an economical choice for long-term use while maintaining optimal performance
• SAFE AND DURABLE DESIGN: Safety is a priority with the Window Exhaust Fan featuring a 12V DC safety voltage and a rust-proof 304 stainless steel body. The double-sided stainless steel filter screen effectively blocks mosquitoes, while its anti-fading design and rigorous testing ensure each fan has a lifespan of up to 30,000 hours, providing lasting durability for your home and office needs