Item Name: Exhaust Outlet Silent Mushroom Head Shape Ventilation Cap RV Roof Motorhome. Air volume: 60CFMSize: As pictureSpeed: 1800 rpmMaterial: ABSHole Size: 118mmColor: WhiteRated voltage: 12VSpecifications:Suitable for: RVs, station wagonsFeatures:1. Replace the RV and boat ventilation cover.2. Special hat design, rainproof, can accelerate air circulation.3. Made of high quality ABS plastic for corrosion and impact resistance.4. Easy to install and use. Note:1.Transition: 1cm=10mm=0.39inch2.Please allow 0-1cm error due to manual measurement.
