Pipe Pq-Al-18X1X3000 for Compressed Air, Vacuum orLiquids. Supplied In Lengths of 3 M. Outside Diameter=18 Mm, Inside Diameter=16 Mm, Temperature Dependent Operating Pressure=-0, 95 - 15 bar, Medium Temperature=-25 - 75 ┬░C, Ambient Temperature=-30 - 75 ┬░C