Sea-Dog Line 520821 Thru Hull Fitting with Stainless Steel Cap

The Sea-Dog Line 520821 is a durable thru-hull fitting designed to allow water to pass in or out of a vessel for drainage applications above the waterline. This marine-grade fitting features a corrosion-resistant construction with an injection-molded polypropylene body and a 304 stamped stainless steel cap for long-lasting performance in harsh saltwater environments.

Key Features:

• Injection-molded polypropylene body for strength and chemical resistance
• 304 stainless steel cap provides corrosion protection and professional appearance
• Designed for above-waterline drainage applications with hose connections
• Precision dimensions: 1-7/8" outer diameter, 7/8" inner opening, 1-3/4" base diameter
• 3-3/8" overall length with 1-3/16" cap height and 3/4" hose barb

This thru-hull fitting is ideal for cockpit drains, livewell overflow, baitwell drainage, and other marine applications requiring a reliable above-waterline drainage solution. The combination of durable polypropylene and stainless steel ensures resistance to UV rays, saltwater corrosion, and the demanding marine environment.