This product is designed for the central vacuum hose. The material is durable and soft. It protects the walls and furniture of the home from damage and scratches when sucking dust. We sell two lengths. one is 30 feet long and the other is 35 feet long. Applicable to all central vacuum hose models. The hose sock is equipped with a zipper running through the sock. It is easy to installer and disassembly. It can be washed in washing machine.