China manufacturer underground air vent duct hose 

1.Products Name:     underground air vent duct hose 

2. Material: high-strength biaxial polyester filament yarns and using double skin coated craft to stick the pvc fabric.

3.Available size:4"~60", customized length is upon request. .

4. technology Data: 

Vertical breaking strength: ≥2500N/50mm

Lateral breaking strength: ≥2000N/50mm

Tearing strength: ≥190N

Adhesive strength:>22N/25mm

5.Specifications:

Features: high tensile, shockproof, water proof, uninflammable, anti-static, hot and cold resistant, acid and alkali-resistant and structure-stability.

Structure: 1.helix steel wire wrapped by black strip onto the high-strength fabric. galvanize iron clip with D-Ring punching on the rubber strip everyone meter.

2. the Y-shape branch ends are bugle with rope.

other color  for  underground air vent duct hose

Packaging Detail: neutral carton packing or special color carton packing as request

Delivery Detail: 10-20 working days after payment

1.Reply your inquiry in 24 working hours.

2. Experienced staffs answer all your questions in professional.

3.Customizd design is avaliable.OEM&ODM are welcome.

4. Exclusive and unique solution can be provided to our customers by your well-trained and professional engineers .

5.Special discount and protection of sales area provided to your distributor.

6. Do the best wholesale ventilation duct in China.

7. Provide different grades of products, to meet market requirements.

8.Purchased the ventilation duct in our company, enjoy discount for the other parts.

We company have got import and export right,and has entered Western Europe, North Africa, South America and Southeast Asia market.

you can visit our website: for info about  underground air vent duct hose.