... .smooth surface and good flowing w Clear PVC plastic pipe/tube/ transparent hard PVC pipes and caps1 ... , refrigeration, commercial trucking & water purification industries. and the plastic profile inclules handles, angles, channels, tracks, mullions, fuel lines ... , bumpers, moldings, rails, tubing, sleeves, rollers, rods, spacers, straps, gaskets, door & drawer pulls & glides and any ...