Sea-Dog Line 520790 Thru-Hull Fitting 1-1/2 Inch Polypropylene

The Sea-Dog Line 520790 is a 1-1/2 inch thru-hull fitting constructed of durable injection-molded polypropylene, making it ideal for marine drainage applications above the waterline. This fitting is specifically engineered to resist electrolysis and corrosion in saltwater environments, providing reliable long-term performance.

Key Features:

• Injection-molded polypropylene construction for superior corrosion resistance
• Impervious to electrolysis in saltwater applications
• 1-1/2 inch size compatible with standard marine hose
• Designed for above-waterline drainage systems
• Allows controlled water passage in or out of the vessel
• Lightweight and chemical-resistant material

This thru-hull fitting provides a secure connection point for hose installations, ensuring proper drainage while maintaining hull integrity. The polypropylene material offers excellent resistance to marine environment degradation, making it a cost-effective alternative to bronze fittings for above-waterline applications.