4-8 inch Ventilation Duct Scalable Insulated Dryer Vent Hose Aluminum Foil Flexible Exhaust Pipe Bathroom Kitchen System Vent Hose

【Premium Material Construction】:Ventilation duct hose with double-layer aluminum foil (flame-retardant, reduces fire risks) and internal corrosion-resistant steel wire spirals (enhances structural stability, prevents deformation, ensures leak-proof use in fluctuating temperature/humidity).【Versatile Application Areas】:Fits air duct fan systems for diverse scenarios:[Home use]: Cooker hoods, bathroom/attic ventilation, heating/cooling transfer.Commercial/industrial use: Hydroponic grow tents, electronic factory smoke extraction, blower exhaust, central air conditioning ducting.Flexible design enables seamless connection of ventilation components.【Practical & Convenient Design】:Expandable (max 3m/9.84ft) and contractible; foldable for compact storage. Trimmable to custom lengths with scissors/pliers—no professional help needed.【Simple Installation Steps】:Easy for all skill levels. Cut to required length; included clamps ensure airtight connections (prevents leakage, maintains airflow). Smooth ends avoid snags; lightweight design reduces mounting pressure. Reminder: Wear gloves to avoid sharp edge injury.【Excellent Performance Traits】:Steel wire reinforcement ensures self-support after straightening (no extra brackets). Low airflow resistance (optimizes ventilation efficiency). Non-toxic, pollution-free, corrosion-resistant (safe for food-related/indoor use). High flexibility allows free duct direction adjustment (no damage to decorative ceilings/walls).【Product Specifications】:[Material]: Double-layer flame-retardant aluminum foil + corrosion-resistant steel wire[Length]: Approx 3m/9.84ft (expandable)[Inner Diameter]: 4in/6in/8in (options)[Temperature Resistance]: Max 80℃[Key Features]: Flame-retardant, leak-proof, flexible, corrosion-resistant【Package Contents】:1 x High-Performance Flexible Aluminum Ventilation Duct Hose【Important Reminders】:1.Actual color/appearance may differ slightly from images (lighting/shooting angles)—normal, no quality impact.2.Manual measurement may cause 0-1cm error (length/diameter)—acceptable. Confirm size before purchase.