Product Name: Spiral Air Ventilation Insulated Flexible Duct with Zipper Ends Certification: CE Performance: Wearable Shape: Round Application: Ventilation Usage: for Air Conditioner, Industrial Material: Plastic Color: Yellow Diameter: 500mm Length: 10m, or Custom Sizes Insulation: Cotton Trademark: Super Transport Package: Neutral Carton Packing Specification: 100mm-1500mm Origin: China HS Code: 841490 Product Description Spiral Air Ventilation Flexible Duct with Zipper Endscustomized Insulated DuctintroductionMaterial:consist of three layers. 1st layer and the3rd layer are PVC fabric, and the2nd layer is cotton insulation.The middle layer insulation can keep the air temperature in a stable situation.Thickness:2mmAvailable size:4"~60", customized length is upon request.Available color:yellow or other color.Temperature range:-20~+80celsius.yellow Insulated DuctFeatures:Anti-UV, shockproof, water proof, uninflammable, hot and cold resistant, acid and alkali-resistant and structure-stability.It is widely used for air conditioning equipment factory, airport, naval ships and scientific research.PVC flexible ducting is one of our main product. We have advanced processing equipment, rich experience, extensive sales network and complete service system.For more information about Flexible Ducting, please click hereto visit our website.