Fan Heater -Round Vent Highlights Generic Brand Round Vent Description: For universal cars and boats. With a three prong sleeve, easy to install. It has simple appearance, elegant lines and low noise. Clean and practical accessories will refresh your beloved car and boats. This vent and the three prong socket that supports the use can allow for disassembly and cleaning. Specification: White Color Material: Plastic Size Chart: A: 70mm118mm72mm/2.764.652.83in B: 92mm148mm72mm/3.625 .83 2.83 inch C: 116mm 170mm 78mm / 4.56 6.69 3.07 inch D: 145mm 210mm 78mm / 4.56 8.27 3 .07 inch E: 195mm 265mm 85mm / 7.68 10.43 3.35 inch Package includes: 1 piece air heater vent outlet Note: Please allow 0.5 difference -1 inch due to manual measurement. (1inch=2.54cm) The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding.