13-53" Vertical Expanding Window Fan for Sliding Windows-Easy Tool-Free Installation, Adjustable Speed with 5CM Retractable, Household Kitchen Humid and Basements Spaces(White,27.6-29.5)

Efficient Window Ventilation FanAdjustable Fit DesignLow Noise Comfortable OperationDetachable Mesh Screen for Easy CleaningWaterproof Durable ConstructionAdjustable Speed ControllerSpecificationsProduct Name: Exhaust Fan (No-Drill Installation)Voltage: DC 12V(Adapter converts AC 100\u2013240V to 12V)Power Current: 0.35AAirflow: 80 CFMNoise Level: 39.8 dBAdjustable Range: Up 5 cm (≈2 in)Bearing Type: Dual Ball Bearing / Hydraulic BearingMaterial: PVC Plastic Frame + Metal ScreenInstallation Method: Edge Mount (No Drilling Required)Speed Control: Adjustable Controller IncludedAvailable Options: 2\u201312 ConfigurationsApplication: Bedroom, Kitchen, Bathroom, Living Room, RV, Office VentilationBearing NotesDual Bearing: More durable, suitable long continuous operation.Hydraulic Quieter operation, ideal home environments.Notes：Please measure the window frame size before purchasing ensure proper fit.Install fan along inner edge of best stability and airflow.Regular cleaning mesh screen is recommended maintain optimal ventilation performance.

• Reversible Flow and Weatherproof Construction: This window fan reversible airflow model supports both intake and exhaust modes, ideal for year-round. Aluminum alloy frame with stainless steel mesh, fully washable. Its slim 4cm profile ensures zero interference with window operation, outperforming box fan or window fans with exhaust and intake designs.
• Quiet and Adjustable Wind Speed: The stepless speed control power supply supports 10 wind speed settings to meet different comfort needs while saving energy. The brushless motor has a maximum speed of 2800 rpm, providing high airflow with low noise.
• Suitable For Multiple Scenarios: From clearing kitchen smoke, reducing pet odors, and dehumidifying bathrooms to ventilating smoky rooms, this window vent fan serves as a versatile household ventilation fans solution. Great for apartments, offices, studios, and any space where a fans for home or ac fan alternative is needed for cleaner, fresher air.
• Material Construction: Window fan vertical for sliding windows is made of aluminum alloy material, the bearings are magnetic levitation bearings, and it is equipped with a double-sided stainless steel protective net, which not only prevents mosquitoes but also protects children
• Universal Installation for Compact Spaces: This vertical window fan fits most sliding windows without tools, and can be mounted vertically on either side of the frame. It occupies minimal space while delivering performance rivaling larger household window fans. Includes clear sizing guidance to ensure perfect fit-to window exhaust fan for daily freshness.