Retractable Window Exhaust Fan, Zone Window Fan for Bedroom, 6 Air Outlets (4 Air Intakes + 2 Exhausts), 10-gear Wind Speed Adjustable, Enjoy The Fresh Air, for Bedroom, Office, Kitchen

Specifications: Name: Window Exhaust Fan Type: 80-96cm telescopic; 96-112cm telescopic; 112-128cm telescopic Number of movements: 6 air outlets (4 air intakes + 2 exhausts) Body material: all-aluminum body integrated molding Power supply method: 100V-240V Rated power: 10.8W Fresh air exhaust: 150m³+120m³ Noise: 25dB (quiet)~29dB (powerful) Motor: imported oil-containing hydraulic bearings Control mode: remote control 10-speed variable speed Installation environment: doors and windows

• [Smart Speed Control]: Standard 10-speed wind speed remote control, infinitely variable speed adjustment of air volume, silent operation of only 35dB, 24-hour operation for 4 days consumes 1 kWh of electricity.
• [Two-Way Fresh Air Design]4 inlet and 2 outlet unidirectional airflow system, Purification of outdoor air transported into the room, 225m³/h, directly exhausts formaldehyde/odors outdoors, effectively preventing secondary pollution.
• [All-aluminum Body]: Aviation-grade aluminum alloy, rainproof design not rusts, original shutter air inlet design, supports highly flexible extension, ready-to-use punch-free installation, eliminating the trouble of customization.
• [4-layer Precision Structure]: H12 cartridge, 4-layer composite filtration structure, it is recommended to replace it every 4-6 months.
• [Quick Install]: Integrated design of air intake and exhaust components, installation time <5 minutes, enjoy laboratory-level fresh air, and improve the quality of home life