Negative Pressure Pvc Flexible Ducting Hose With Orange Color .
Zipper. Stock color: Orange. Color options: Orange, Yellow, White, Black, or customized. Packing: Neutral carton packing. Name: Negative Pressure PVC Ducting . Application:PVC Flexible Duct can be use for transfer the air for vessel manufacturing and repairing, mining, tunnel, basement, machine room, mechanical.