Attwood Turbo In-Line Bilge Blowers Patented in-line design provides powerful, reliable ventilation for engine compartments, bilges and heads. Mounting feet allow easy installation in confined spaces.Includes two tie straps. Caulked copper wire leads. Specifications: Voltage: 12 VDC Hose 3" Capacity 135 CFM Amps 2.7 amps Height 3-5/8" Width 5-1/16" Length 5-1/32"