Zephyr AK7754BS is the 54-inch Titan Island stainless-steel pro-style indoor kitchen range hood, with an included 750-CFM PowerWave blower. The manufacturer lists a separate optional PBD-1300B dual-blower kit for up to 1,300 CFM. Features include electronic LCD controls, Airflow Control Technology (ACT) settings at 590, 390 or 290 CFM with the single blower, six professional baffle filters, four LumiLight LEDs and a grease collection tray. This model requires vertical ducting and is not a recirculating unit. Confirm island mounting height, ceiling/duct dimensions and any local make-up air requirements before purchase.