1.Corrosion-proof, water-proof, anti-aging, good flexibility, firm structure, reliable work, etc. AccessoriesFNG Series Weatherproof Flexible ConduitsCorrosion-proof, water-proof, anti-aging, good flexibility, firm structure, reliable work, etc.The thread can be specially made upon request, such asNPT thread, metric thread.The connector is of high quality carbon steel.If requested, the whole ...