The Seachoice Self-Priming Pump/Siphon is ideal for transferring liquids such as fuel and water. It is anti-static for the transfer of fuel. The 6-foot hose has a 1/2-inch inner diameter (ID). Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable.