Introducing the GROCO NPS NPT Combo Stainless Steel Thru-Hull Fitting (Model: TH-1500-WS), designed for durability and reliability in marine applications. This 1-1/2 inch fitting is crafted from high-quality stainless steel, ensuring resistance to corrosion and wear. Its combo design features both NPS and NPT threads, allowing for versatile installation options. The included nut ensures a secure fit, making it perfect for various plumbing needs on your boat. Whether you're upgrading your vessel or performing maintenance, this thru-hull fitting is a dependable choice for any marine enthusiast.