pvc duct hose As suction and transport duct hose especially suitable for suction of engine exhaust gas -For exhaust gas technique, engine construction, engine warming, aircraft construction and military construction -For flue gas extraction, blast furnace exhaust and engine test bench

pvc duct hose As suction and transport duct hose especially suitable for suction of engine exhaust gas -For exhaust gas technique, engine construction, engine warming, aircraft construction and military construction -For flue gas extraction, blast furnace exhaust and engine test bench