PVC Combi Flexible Ducting Heavy Duty Dual Layer Air Duct Hose Gray Black 4 6 8 10 12 14 Inch

  • Color Options: Industrial Gray, Premium Black (Dual-Layer PVC Outer Shell) and White
  • Diameter Range: 4″, 5″, 6″, 8″, 10″, 12″, 14″ (102mm – 356mm ID).
  • Length Options: 25 ft (7.62 m), 10 m (32.8 ft), 16 ft (4.88 m), or custom lengths built to spec.
  • Dual-Layer Construction: Tough outer PVC jacket + Inner aluminum foil core with steel wire coil.
  • Safety & Durability: Flame-retardant, 100% lightproof, high tear & puncture resistance.
  • Noise & Temp Control: Dual-layer barrier reduces fan airflow noise and prevents air leakage.
  • Application Fit: Inline exhaust fans, carbon air filters, HVAC ductwork, commercial grow room setups.
  • OEM / Customization: Custom colors, diameter sizing, length specs, private label branding, and container packaging.
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Product Overview

The heavy-duty PVC combi flexible duct is engineered for high-performance ventilation, air extraction, and environmental climate control. Featuring a dual-layer design—a tough outer PVC jacket combined with an inner aluminum foil lining—this duct hose provides far greater tear resistance, durability, and noise dampening than standard single-layer aluminum ducting. Available in both professional black and industrial gray finishes, it completely blocks light transmission and prevents air leaks in commercial HVAC systems and indoor grow rooms.

Technical Specifications

SpecificationDetails / Parameter
Product TypeDual-Layer PVC Combi Flexible Air Duct
Available ColorsBlack, Gray
Inner Diameter (Inches)4″, 5″, 6″, 8″, 10″, 12″, 14″
Inner Diameter (mm)102mm, 127mm, 152mm, 203mm, 254mm, 315mm, 356mm
Standard Lengths25 ft (7.62 m), 10 m (32.8 ft), 16 ft (4.88 m) / Custom lengths
Layer StructureOuter Heavy-Duty PVC + Inner Aluminum Foil + High-Tensile Steel Helix
Flame RetardancyFlame-Retardant Outer PVC & Fire-Resistant Aluminum Core
Lightproofing100% Lightproof Dual-Layer Shielding
Operating Temperature-30°C to +120°C (-22°F to +248°F)
Custom ServicesCustom Color, Diameter, Length, Private Labeling, OEM Packaging

Key Performance Characteristics

  • Heavy-Duty Dual-Layer Protection: Tough outer PVC coating shields against tears, punctures, and external friction during installation in tight spaces.
  • Lightproof & Flame Retardant: 100% opaque construction shields dark room photoperiods; fire-retardant material properties meet strict indoor safety requirements.
  • Aesthetic Color Options: Available in clean black and industrial gray to seamlessly match grow tents, modern HVAC equipment, and industrial spaces.
  • High-Flexibility Steel Wire Helix: Inner steel spring coil holds structural roundness and prevents collapse or kinking during tight bends.