Perfect for a variety of marine applications! The Seaflo Thru Hull is great for through-transom uses, as an overflow in livewell installations, or as an exhaust port for your bilge pump. The strong, high-quality construction of this Seaflo fitting stands up to chemical and saltwater exposure. Available in a variety of sizes. Perfect for a variety of marine applications! Great for through-transom uses Works as an overflow in livewell installations Useful as a bilge pump exhaust port Strong, high-quality construction