Attwood Turbo 3000 electric fans Turbo in-line waterproof electric fans for engine compartments and cabins. Fan designed to provide 25 % more airflow than other vacuum cleaners while consuming 40 % less. Nickel-plated motor housing with sealed cap and cables for total corrosion protection. Dimensions: Mouths d. 75 mm 130 mm long Voltage: 12 V