Feature 1Application: Air blower is suitable for RVs, ships and yachts, and is very suitable for applications at bilge, engine room, passage and canopy. 2Maximize Airflow: Blower fan is equipped with five blade fan to maximize air flow and efficiency, and the sealed motor shaft can prevent moisture. 3Easy Installation: Bilge blower can be installed on any flat surface, providing higher airflow, lower amp draw and quieter operation than standard blowers. 4Long Lifespan: The blower fans are designed for efficient and high output operation. These fans use special front and rear shaft seals and motor housings to extend their service life. 5Professional Manufacturing: Exquisite workmanship, beautiful appearance design, small and portable, providing you with a good use experience.Item Type:InLineAirBlowerMaterial: ABS Shell + Copper Motor CoreAir Flow: 145CFMWorking Voltage: DC12VFuse: 5ACurrent: 3AmpsSize: 3inch/76mmApplication: It is suitable for RVs, ships and yachts, and is very suitable for applications at bilge, engine room, passage and canopyInstallation:1. Use two M6 screws to install the fan on the upper part of the bilge, power room, kitchen and toilet. When fixing the screws, the screws shall not be over tightened to prevent them from penetrating the casing.2. The fan shall be installed with a moderate inclination to prevent rain erosion. The arrow direction is the air outlet (the correct air flow direction must be confirmed before installation)3. Connect and fix the inlet and outlet conduits with a diameter of (145CFM - 3 inches) with stainless steel pipe buckles.4. The intake duct shall be permanently installed and fixed above the bilge plane and properly located under the engine.Wiring:1. Red is positive, black is negative, and crimp contact connector is used. The joint shall be waterproof with sealant.2. The positive pole must be connected with a fuse3. The positive pole must be connected with a disconnecting or connecting switch with the same power as the fuse.4. The minimum wire diameter is 16AWG (standard size). .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x InLineAirBlower1 x Manual