Product Information Material: Brass Select a Product Part NumberHose IDLength 8ES8-B1"4.58" (116.2mm) 2ES2-B1/4"2.06" (52.2mm) 4ES4-B1/2"3.45" (87.6mm) 6ES6-B3/4"3.64" (92.3mm) 3ES3-B3/8"2.03" (51.6mm)