The MannTek Female Hose Unit is designed for attaching onto the Drybreak Coupling in order to allow the transfer of fuels safely and effectively, with a strong seal as the handles are turned 90-degrees for locking the Hose Unit onto the Coupling. This unit is available in a range of sizes; 2.5” x 105mm, 3” x 105mm, and 3” x 119mm.