... flexible and transparent 3.for wood-working machine PU wire hose 1.Abrasion resistant 2.Highly flexible and ... dust, wood flour , shaving, powder, gases and fumes, textiles, plastic, printing, ceramic, furniture,and wood industry, shavings, exhaust, chemical ... degree Material: -wall: special Polyurethane -spiral: Flexible Steel Wire/copper coated wire Diameter: 25mm --- 400mm wind speed: 35 m/ s ...