Active Air Premium Ducting - 4 Inch x 25 Feet

Active Air Premium Ducting is made of tough 3-ply aluminum foil laminate. It is designed for air-cooling and can be used in different forms of heating and ventilation applications. This product is made to resist puncture and tears. One continuous and corrosion resistant helix wire is placed in the duct wall for structural support. Active Air Premium Ducting is perfect for the air-cooled reflectors in your grow room.Includes (2) EZ Turn duct clampsAir Pressure: Max 25 mm WG (2500 Pa or 10" WG)Air Velocity: Max 25 mm/sec (4900 ft/min)