The 2-1/2 "suction hose is particularly suitable for vacuum systems and can be used for suction of dust, smoke, chips, lubrication fog, gas and particles - the angle of the hoses as well as the length can be easily adjusted and flexibly adjusted - we are also different types of plug -in connectors and nozzles to choose - the 2-1/2" suction hose can be used with 3 " PVC/ metal pipe or to an industrial vacuum cleaner or an suction system - product advantages: high -quality material from DuPont Delrin (POM) against most chemicals and solvents - highest bending strength and form stability - no shortening of the diameter after bending, no trick and good fatigue strength - without damage to the tool - the hose can be turned - Angle is simply adjusted - the suction position can simply be set up b.