Hydro Crunch 25 ft. Non-Insulated Flexible Aluminum Ducting with Duct Clamps

The Hydro Crunch 12 in. x 25 ft. black lightproof flexible aluminum duct is ideal for HVAC, bathroom, greenhouse, grow room, grow tent fan exhausting and other general purpose exhaust applications. 3 layers of ultra thick aluminum laminate are included in its composition. Temperature range from 0 to 140F High temperature resistant. Made from high quality aluminum, not only does the duct act as in intake and exhaust piping for active-cooled fixtures and reflectors, but also stores and dissipates heat at a steady rate, which reduces room temperature fluctuations. Benefits of air duct: helically shaped and internally crimped galvanized steel strip. Interlocking steel strips to form an air tight and leak proof system. Strong and flexible. Improves efficiency of the air flow.