The KuulAire Portable Evaporative Cooler Unit, PACKA45 is one of most efficient and environmentally friendly ways to keep cool, indoors or out! You can rely on the PACKA50 Portable Evaporative Cooler for all your cooling needs during those hot summer months. This evaporative air cooler in black is extremely powerful and cools with no harmful refrigerants. The KuulAire Portable Evaporative Cooler Unit, PACKA45's large airflow capacity allows for superior cooling that can cover up to 200 square feet and can lower the temperature 10 to 25 degrees. Evaporative coolers differ from air conditioners and work most effectively in dry climates. Super portable and easy to move with its heavy-duty casters, this portable air cooling unit with 200 sq ft cooling capacity comes complete with a 1-year manufacturer's warranty for added peace of mind.