Marine Grade Stainless Steel 22mm Exhaust Port Fitting for Boat RV Diesel Heaters Thru Hull Installation Features： 1、Marine-Grade Stainless Steel Durability: Crafted from premium-quality 316 stainless steel, this exhaust port resists corrosion and saltwater damage, ensuring lasting performance in harsh marine environments. Its rust-resistant properties maintain the aesthetic appeal of your boat or RV for years to come. 2、Effortless Installation Experience: Engineered with user-friendliness in mind, the thru-hull exhaust skin comes with all necessary hardware for a straightforward installation process. Whether you're a DIY enthusiast or a professional installer, fitting this exhaust port is a breeze. 3、Universal Compatibility for Diesel Parking Heaters: Designed to fit a wide range of RV and boat diesel parking heaters, this exhaust port offers versatility without compromising on performance. Its adaptable design ensures a secure, leak-proof connection. 4、Safe and Reliable Exhaust Solution: With safety as a top priority, ensuring a safe and comfortable onboard environment. 5、Package Includes: Including 1* thru hull exhaust skin fitting, 3* screws, 3* nuts, 3 * big gaskets. Specification： Item:?Thru Hull Exhaust Skin Material: 316 Stainless Steel Color: Silver Socket Diameter: 22mm//0.87inch Product Size:?110mm/4.33inch*80mm/3.15inch Package Size:?13*9*8cm Package Weight: 375g Package List： 1*?Thru Hull Exhaust Skin 3* Screws 3* Nuts 3 * Big Gaskets