The 4" x 20' Tank Truck Hose with CAL & FS20 by SEALFAST is engineered for high-capacity fluid transfer. This hose features a 4" diameter and a length of 20 feet, making it suitable for transporting large volumes of liquids efficiently. The CAL fitting ensures a secure connection, while the FS20 design enhances flexibility and durability. Built to withstand high pressures, this hose meets industry standards for safety and reliability. Perfect for tank trucks, it is an essential tool for professionals in demanding environments.