Features & Benefits Built-in mounting feet allow easy vertical or horizontal installation Very low current draw, high volume air flow, long life Six-blade fan maximizes airflow and efficiency Sealed motor shaft for moisture protection Corrosion resistant ABS plastic housing Typical Applications Boats bilge ventilation Engine compartments Galleys and heads Race cars and helmet ventilation; Bus ventilation (engine and bathroom fumes) Tanning booths Prison van ventilation (cooling, air-freshening) Blow-up signs and mascots Building ventilation Intake Pipe Dia(A): 4"/102 Air Flow (cfm/cmh): 270/456 Dimension: 8.03" (Length) X 5.31" (Height) X 5.02" (Width) Item Number: PIB1-270-02 One (1) year limited product warranty. See below for details.