Retractable Vertical Window Fan, Comfort Zone Window Fan For Bedroom, Retractable 35-135cm Optional, Adjustable Speed 0-2800 Rpm, For Home, Kitchen, Bedroom & Office(35-40cm)

Product name: window exhaust fanRetractable: 35-135cm optionalVoltage: 12V (speed control power supply is 220V to 12V)Current: 0.35A (peak value for each fan)Speed: 0-2800 rpm (adjustable speed)Air volume: 98CFM (per fan)Noise: 16~39.8db (varies with speed)Bearing: magnetic bearingMaterial: aluminum alloy frame + stainless steel meshPackage includes:Window exhaust fan*1

• RETRACTABLE DESIGN: This Comfort Zone Window Fan for Bedroom features a 35-135cm retractable mechanism with a three-stage caliper structure that firmly clamps window edges, preventing falls with thickened springs for safer and more reliable vertical installation in any setting.
• ADJUSTABLE SIZE OPTIONS: Select the perfect 35-135cm retractable optional width to fit your window frame; simply measure and choose for optimal airflow in home, kitchen, bedroom, or office, ensuring versatile compatibility without hassle.
• PUNCH-FREE UNIVERSAL TYPE: Install instantly with a no drilling, tools, or decorators needed. This vertical window fan attaches securely without affecting window operation, allowing easy addition to sliding or casement windows for dust-free maintenance.
• ADJUSTABLE SPEED PERFORMANCE: Enjoy customizable comfort with 0-2800 RPM speed settings, delivering powerful ventilation for odor and heat exhaust in bedrooms, kitchens, or offices, making it efficient for daily use.
• VERSATILE APPLICATION: Quickly exhaust smoke, humidity, and hot pot smells for a healthier environment; ideal for pet ventilation, card games, or cooking areas in homes, kitchens, bedrooms, and offices with horizontal or vertical installation.