Built to withstand chemical and saline exposure: the unit’s structure is engineered to resist degradation from saltwater and common marine chemicals, reducing corrosion and extending service life in demanding environments. Available in all sizes: a full range of sizes ensures compatibility with different pumps, tanks and hull fittings so you can select the correct diameter for your system without complex modification. Designed for mobile well installations and bilge systems: ideal for use as an overflow outlet on mobile wells or as the exhaust port for bilge pumps, providing a reliable discharge path for water from livewells, sumps and bilge compartments. Adjustable through-hull mounting for ships and yachts: the fitting is configured for installation through the bottom of the vessel, allowing secure, adjustable attachment that suits both new builds and retrofit projects. Key benefits — why you need this product Longevity and lower maintenance: resistance to salt and chemical attack helps prevent premature failure, reducing downtime and replacement costs. Versatile compatibility: multiple sizes and an adjustable through-hull design make integration straightforward with existing pumps, hoses and tank outlets. Practical performance: purpose-built for overflow and exhaust duties, it supports consistent flow and dependable operation in marine environments. Typical applications Recreational yacht bilge system: use as the exhaust port for an onboard bilge pump to safely discharge water overboard through the hull. Fishing or tender livewell overflow: install as the overflow outlet on mobile wells to protect bait and catch tanks from overfilling. Workboats and retrofit projects: add or replace a hull-mounted exhaust/overflow fitting when upgrading pumps or converting spaces to mobile well use. Specification and compatibility notes Construction resists chemical and saline degradation; select the appropriate size for your pump/discharge hose. Suitable for through-bottom installation on ships and yachts; compatible with both new installations and refits. When ordering, confirm the required size and installation orientation to ensure a correct fit and straightforward installation.