Ideal-Air Silver/Black Ducting -- 4 inch x 25'
Ideal for air cooling all reflectors, hoods, and growing environments. Also can be used in various heating, ventilating or exhausting applications. These Class 1 aluminum flexible air duct connectors are made from tough, puncture resistant 3 ply aluminum foil laminate and contain a high density, corrosion resistant wire helix in the duct wall for support. This Ideal-Air flex duct has a silver exterior and black inner core to keep from light transfer. 25' length silver/black ducting available in a variety of sizes. Commercial grade.