Heavy duty corrosion and chemical resistant polypropylene with stainless hardware. For use with bilge pumps or toilet systems. Can be padlocked. Ports can be rotated 90 degrees for ease of installation to allow hose to run in any direction. 3 sturdy mounting feet. Easy access to valve for servicing. Can be operated through bulkhead using optional handle extension kit. Supplied with 40mm (1 1/2") ports fitted - with 1 x additional 25mm (1") straight port.