Zephyr 1300 CFM Blower PowerWave Dual Internal with One BlowerDescription About Zephyr Since the launch of their first hoods in 1997, Zephyr has remained true to their vision of delivering the unexpected by deliberately seeking to change the marketplace. Zephyr was first to recognize the unmet demand for more powerful, professional grade hoods in the home. And they answered with the Power series, high CFM performers that put air quality concerns to rest with quiet efficiency and raised the bar with self