Heavy Duty Artrac Suction / Discharge. Used for Material Handling where a ligth flexible hose is required. Typical applications include suction of Sand, gravel, cement, fly ash, glass, metals and slurries. Theromplastic blend of Nitrile, polyuretahne and PVC (non conductive) cover & tube, Black Rigid PVC Helix. Sold in lenghts of up to 30.5mtr (1 1/2-4") & 15.2mtr (5"-8")