World Marketing Manual Siphon Pump, 21.75 in. is designed for easy and efficient fuel transfer from storage tanks to heaters. This manual siphon pump features a large ball-type siphon that makes operation simple and hassle-. Measuring 21.75 inches in length, it delivers a steady flow rate of 1 gallon per minute, ensuring quick and reliable fuel transfer whe you need it. Its practical design and dependable performance make it an essential tool for managing fuel safely and effectively. Model Number: