Retractable Window Exhaust Fan,10-Speed,Remote Control,No Drilling

Height Measurement: The distance from the lower edge of the top frame to the upper edge of the bottom frame.1. Please use a steel tape measure.2. When measuring the height, take measurements at the left, middle, and right positions, and provide all three measurements to the customer service representative.3. For double-glass doors, measure the width of a single door panel. For four-glass doors, two screen doors are needed, and the measurement method is the same.Specifications:Name: Vertical Window Exhaust FanNumber of movements: 6 air inlets (4 air inlets + 2 exhausts)Body material: All-aluminum body one-piece moldingRated power: 10.8WFresh air exhaust: 150m³+120m³Noise: 25dB (quiet)~29dB (powerful)Motor: Imported oil-containing hydraulic bearingsControl method: Remote control 10-speed variable speedInstallation environment: door, windowPackage Included:1 × Retractable Window Exhaust FanNotes:1. Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement.2. If you have any questions please contact me and I will reply you within 24 hours

• All-aluminum rust-proof body: Constructed from aviation-grade aluminum alloy with a rainproof design that prevents rust, featuring an original shutter air inlet design for highly flexible extension (adjustable from 80-130cm), ready-to-use punch-free installation to eliminate customization hassles.
• Two-way fresh air system: Incorporates 4 inlet and 2 outlet ducts, providing 150m³/h of fresh air input and 120m³/h of polluted air exhaust, directly discharging formaldehyde and odors outdoors without circulation to prevent secondary pollution.
• Intelligent control mode: Equipped with a standard 10-speed wind speed remote control for infinitely variable speed adjustment, operates silently at only 35dB, and consumes just 1 kWh of electricity over 4 days with 24-hour operation.
• High-efficiency filtration: Offers PM2.5 filtration efficiency with a 4-layer composite filtration structure, recommended for replacement every 4-6 months to maintain optimal performance.
• Integrated design: Features an integrated design of air intake and exhaust components, allowing for installation in under 5 minutes, providing laboratory-level fresh air to enhance home air quality.