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Flexible Exhaust Duct Hose

This upgraded three-layer flexible exhaust duct (PVC outer + dual aluminum foil inner with steel wire support) provides durable, waterproof, heat-resistant, and freely bendable smoke extraction for industrial, hotel, and kitchen ventilation systems.

Category:

Accessories

key word:

This upgraded exhaust duct features a three-layer construction for superior durability, heat resistance, and performance compared to ordinary single-layer aluminum foil ducts. The outer layer is waterproof PVC for protection against moisture and wear, the middle and inner layers are thick aluminum foil (with reinforced spiral steel wire support) for excellent heat resistance, flame retardancy, and structural integrity. It is black in color, fully flexible, compressible, and easy to bend/stretch without deformation or kinking, making installation simple in tight or complex spaces.

SpecificationDetails
Product NameExhaust Smoke Duct / Flexible Exhaust Hose
MaterialPVC (outer) + Aluminum Foil (middle & inner) + Steel Wire Spiral
ColorBlack (body and interfaces)
Diameter (Φ)250mm, 300mm, 350mm, 400mm, 450mm, 500mm (multiple sizes available)
Length Options1.5m, 2m, 3m, 4m, 5m, 6m, 8m, 10m (various combinations per diameter)
ApplicationsSealed smoke exhaust, industrial ventilation systems, hotels/restaurants, kitchens, HVAC exhaust, etc.
Key FeaturesThree-layer thickened, large diameter options, high-temperature resistant & flame-retardant, freely stretchable/bendable, waterproof, solid & anti-deformation

This duct is ideal for demanding exhaust scenarios where reliability, flexibility, and long-term performance are essential.

Get ln Touch Now

Need Assistance? We're Here To Help!

Phone

+86 13206380520


E-mail

roy.gao@restalabfurniture.com


Contact Address

Building C-45, Liandong U Valley, Huaguan Road 869, Hi-Tech Development District, Qingdao City, Shandong Province, China

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FACTORY SHOWCASE

What makes us different from other suppliers?

Established in 2014, we specialize in laboratory engineering, cleanroom systems, ventilation, gas supply, and customized laboratory furniture.

Professional Manufacturer

We maintain rigorous quality control across every stage—from planning and design to fabrication and installation. 

Corporate Advantages

Resta Lab has been committed to delivering professional, safe, and high-quality laboratory environments for scientific research, industrial production, pharmaceuticals, biotechnology, and other sectors.

Quality Certifications

We are certified by CE, ISO, SEFA, SGS, and ASHRAE, ensuring our solutions meet the highest global benchmarks for safety, sustainability, and performance.

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