It is made of 2 layers silicone-coated glass fiber fabric and spiral spring steel hidden between the 2layers.Glass fiber cord spiral on the outer surface.Good flow characteristics....

Description:
The main material is double silicone coated glass fiber fabric, and galvanized iron plate. The two tight special seams between the fabric, and metal plate are air....

Description:
The main material is double neoprene coated glass fiber fabric, and galvanized iron plate. The two tight special seams between the fabric, and metal plate are air....

Description:
It is made of glass fiber fabric with neoprene coated on one ply. It passed the testing per standard: GB8624 A2, which is the highest requirements in China.
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Description:
It is made of glass fiber fabric with silicone coated on one ply. It passed the testing per standard: GB8624 A2, which is the highest requirements in China.
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It is made by Aluminium-coated glass fabric, isolated and very flexible. Air conditioning hose can be used many times until it is broken.It is especially suited for hidden....

It is made of 2 layers neoprene -coated glass fiber fabric and spiral spring steel hidden between the 2layers.Glass fiber cord spiral on the outer surface.Good flow....