4" Premium Ducting - 25 feet

Estimated delivery between Friday 31 October and Monday 03 November .

Built Tough. Moves Air Like a Pro.
The Active Air 4" Premium Ducting is the trusted choice for high-performance ventilation in grow rooms and greenhouses. Designed to fit all standard 4" inline fans and carbon filters, this 25-foot duct delivers powerful airflow while standing up to the rigors of indoor growing. With its heavy-duty 3-ply aluminum laminate and corrosion-resistant wire helix, it’s made to handle serious pressure, heat, and wear—without tearing or collapsing.

Key Benefits & Features:

• Fits Standard 4" Fans & Filters: Compatible with all 4" inline fans, air-cooled reflectors, and 4" carbon filters.

• 25 Feet of Flexible Reach: Long enough for complex grow setups, with room to stretch or compress as needed.

• Heavy-Duty 3-Ply Construction: Tough foil laminate resists punctures, heat, and tearing.

• Corrosion-Resistant Wire Support: Built-in helix maintains shape and airflow under high pressure.

• Includes 2 EZ Turn Clamps: Fast, tool-free connection for airtight, secure installs.