Feature 1Using high quality plastic material, can resistance chemical corrosion and heat. 2With mesh inside, which is useful for keeping unknown objects out. 3Universal to all roof vent, and also with easy installation and operation, time saving. 4Widely use for RV camper, motorhome, trailer, boat, marine,, yacht, etc. 5Own the advantage of low noise, giving you a quiet space and not being disturbed by others.Condition: 100% NewItem Type: SideAirVentVentilationExhaustFanColor: BlackMaterial: ABSRated Voltage: 12VPower: 25WCutting Hole Size: Approx. 123x163mm/4.84x6.42in .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 SideAirVentVentilationExhaustFan5 x Intallation ScrewNotePlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.