SEAFLO 4" In-Line Marine Bilge Air Blower 24V 270 CFM Quiet Boat White Marine Boat Electric Bilge Air Blower, 24v/3.0Amp, 270CFM, 4" Outlet Hose Built-in mounting feet allow easy vertical or horizontal installation Four/Six-blade fan maximizes airflow and efficiency Very low current draw, high volume air flow,long life Approvals: CE, ISO9001:2008, RoHS