Description Premium Materials - The siphon pump is made of durable rubber and aluminum alloy, it is corrosion resistant, not easy to damage and ensures a long service life Wide Usage - Hand siphon pump for gasoline, oil, water and other common liquids, ideal for emergency gas transfer. Also as an engine mount on outboard, boat engine and mercury engine. Easy to Use - Lightweight and portable hand siphon fuel pump, suitable for various vehicles without anti-theft filter net, such as brush cutter, lawn mower, hedge trimmer, etc. Universal Fuel Hose - 5/168mm hose with 8ft length. Hose inner diameter: 5/16 (8mm), outer diameter: 1/2 (12mm). Note: This is a rubber product, please do not store this item under direct sunlight, high temperature or other harsh environment.