The Fuel Barb P/H Anti-Siphon Valve is a new in box product manufactured by West Marine. It features a 1/4” NPT inlet and a 3/8” barb outlet, made from durable aluminum. This anti-siphon valve is designed to prevent fuel from flowing back into the fuel tank when the engine is not running, ensuring a clean and efficient fuel system for your outboard engine. Ideal for boat owners looking to replace or upgrade their fuel system components, this product meets the standards of quality and reliability expected for marine applications. New priced at West Marine $ 11.99. You can buy one, priced singly, or I have total of 10.We are new to selling on Ebay, please put faith in us, as we build feedback.