Aluminum Air Ducting for HVAC Ventilation Dryer Vent Hose 4 Inch x 8 Feet Flexible Air Duct for Heating and Cooling Ventilation and Exhaust

Aluminum Air Ducting for HVAC Ventilation Dryer Vent Hose 4 Inch x 8 Feet Flexible Air Duct for Heating and Cooling Ventilation and Exhaust

• Ducting Material: High-quality aluminum (High Temperature Resistant & Corrosion Resistant & Long Lasting); Clamps Material: Stainless steel (Rustproof & Corrosion Resistant & Heavy Duty).
• Ducting Feature 1: Three-layer Thickness (Aluminum Foil + Aluminum Foil + bulit-in Wire Helix): Flame-retardant coating. Thermal Endurance: Temperature range from -22 to 266 Fahrenheit.
• Ducting Feature 2: Built-in steel wire for reinforcement and long lasting performance.
• Ducting Feature 3: Flexible length for exhaust fan blower / inline fan; quick and easy to set up.
• Application Scenarios: Perfect for Heating Ventilation & Air Conditioning (HVAC), Kitchens, Bathrooms, Greenhouses, Grow Rooms, Grow Tents, etc.