Easy-to-install blower for engine compartment, galley, bilges and head.Five-blade, axial-flow design maximizes performance to produce superior ventilation for engine compartments, galleys, bilges and heads. Draws up to 40% fewer amps while producing as much as 25% greater airflow than conventional in-line blowers. Features caulked and tinned wires throughout plus a nickel-plated motor can for outstanding durability. Built-in mounting feet allow easy vertical or horizontal installation.Key Features 3" model has a capacity of 120 cubic feet per minute; Dimensions5 1/32"L x 5 1/16"W (base) x 3 5/8"H; Amperage is2.6A@12V4" model has a capacity of 200 cubic feet per minute; Dimensions 5 1/32"L x 6 1/16"W (base) x 4 17/32"H; Amperage is2.5A@12VApprovals: CE Voltage Compatibility: 12V Material: Reinforced plastic with stiffening ribs Mounting Style: Vertical or horizontal positioning Warranty: Three years