Description: Material: Crafted from 316 stainless steel, this thru hull exhaust skin is designed to withstand harsh marine and automotive environments, ensuring long-last performance and resistance to rustFeature: The thicker tube wall has good heat resistance effect. Increase the gap between the pipe, which can play the role of heat insulation, to prevent damage to the hull and vehiclesEasy Installation: Designed for straightforward installation through the body of your vehicle or vessel, this vent ensures easy setup whether you're working on a boat or an automobile projectVersatile: Ideal for use with fuel parking heaters, this vent is suitable for boats, RVs, cars, and trucks. It fits seamlessly with hoses that have an inner diameter of 24mmPackage Includes: The package includes a vent along with three gaskets and three pairs of screw and nuts, providing everything you need for a secure installation Specification: Material: Stainless Steel Size Chart: Type A: 2.4cmx8cm/0.94inchx3.15inch, Height: 9.35cm/3.68inch Type B:2.4cmx8cm/0.94inchx3.15inch, Height: 10.37cm/4.08inch Package Includes: 1 Set Thru Hull Exhaust Skin Note: Please allow slightly errors 1-2cm differences due to manual measurement.