NRQCJM Vertical Window Fan for Sliding Windows, Adjustable Airflow Exhaust Fan with Variable Speed, No-Drill Retractable Vent for Bedroom Kitchen Office, Adjustable Fit 13.8–59in(White,37-41in)

NRQCJM Vertical Window Fan for Sliding Windows, Adjustable Airflow Exhaust Fan with Variable Speed, No-Drill Retractable Vent for Bedroom Kitchen Office, Adjustable Fit 13.8–59in(White,37-41in)

• Tool Free Expandable Setup: Install this vertical window fan for sliding windows without drilling; the base offers a 4 in retractable adjustment to fit various frames securely; easily set up your ventilation system in just a few minutes
• Manually Reversible Airflow: Maintain consistent air circulation to remove daily cooking fumes; simply uninstall and manually turn the unit backwards to draw in fresh outdoor air; quickly cool down your room without complex switches
• Double Stainless Steel Mesh: Equipped with dual metal screens to keep outdoor debris away from your indoor space; the waterproof exterior structure withstands rainy weather; simply wipe the smooth surface to maintain clean daily airflow
• Quiet Variable Speed Control: Create a peaceful environment with the low noise brushless motor; customize the airflow intensity using the stepless speed settings; quietly clear smoke or circulate heavy air in your bedroom and home office
• Multi Room Ventilation Solution: Designed to improve daily air quality across your home; place this portable twin fan in the living room to refresh the space; easily exhaust trapped heat from the attic or clear humid air from the bathroom