- Strong build quality: High-quality box fan with strong Weather-Shield motor for reliable window use, featuring a sturdy steel body and durable UV-protected paint for long-lasting performance.
THOUGHTFUL DESIGN: This powerful box fan was specifically engineered to work with a filter to powerfully clean the air in your room while providing a cooling breeze.
HIGH PERFORMANCE: This 5-blade 20" box fan features a 2000 CFM airflow and 3 energy efficient speeds.
REPLACEMENT FILTERS: Customize your clean air and cooling with any 20 x 20 x 1 inch filter
2-IN-1 DESIGN: The Lasko Air Flex Box Fan and Air Purifier provides a cooling breeze and cleans the air in your room at the same time. Comes with a MERV 10 / 42 CADR pleated air filter
