Shop-Air® 9 Twin Window Fan

Powerful 2-Speed Airflow: Offers high (300 CFM. 2000 RPM) and low (250 CFM. 1300 RPM) settings to adjust airflow for your cooling needs. Switch between intake to draw in fresh air and exhaust to remove hot. stale air—great for ventilation and circulation. Auto-locking expanders extend from 22 to 33 for a secure. gap-free fit in most windows. boosting cooling efficiency. Runs at just 63 dB on low and 68 dB on high. delivering strong airflow with low noise and energy use—ideal for quiet spaces. Lightweight at 4.4 lbs.. with a carry handle and stable base—easy to move and perfect for tabletop or window use.