DL Wholesale Light-Proof Black Duct - 14-in x 25-ft

Flexible Light-Blocking Airflow Run - 25 ft Extended

Ventilation ducting that lets light through can disrupt a dark cycle in a sealed room. This flexible aluminum duct carries intake and exhaust air and has a blackout coating that keeps light out of the run when it is installed correctly. A spring steel wire helix holds the shape of the duct and makes it easy to route.

At 14 in in diameter and 25 ft long fully extended, this unit suits growers with a mid-to-large indoor room or a long run between a fan, filter and tent or room. You can cut or stretch it to the length you need for a given layout.

Key Features & Benefits

• Blackout coating — blocks light from entering through the duct wall.
• Aluminum construction — gives a flexible duct made from flame resistant material.
• Spring steel wire helix — reinforces the duct and keeps it flexible for installation.
• 14 in diameter — suits larger fans, filters and ventilation setups.
• 25 ft fully extended — gives a long run for flexible layouts.

Who Should Use DL Wholesale Light-Proof Black Duct

Indoor growers who need to connect fans, filters and rooms or tents without letting light in will find this duct useful. It also suits greenhouse and commercial ventilation setups that need a long, flexible 14 in run.

About DL Wholesale Light-Proof Black Duct

DL Wholesale Light-Proof Black Duct is flexible aluminum ventilation ducting with a blackout coating and a spring steel wire helix. It measures 14 in in diameter by 25 ft in length when fully extended and is sold as a single unit.

Frequently Asked Questions

Q: What size is this duct?
A: It is 14 in in diameter and 25 ft long when fully extended. It is sold as one duct.

Q: Will it keep light out of my grow space?
A: The duct has a blackout coating designed to block light. Seal the connections properly so light does not enter at the joints.

Q: What is a wire helix?
A: It is a coiled wire built into the duct wall. It holds the duct open and keeps it flexible while resisting tearing.

Q: Can I use it for both intake and exhaust?
A: Yes. The duct is suitable for intake and exhaust runs in ventilation setups.

Q: How does flexible duct compare with rigid duct?
A: Flexible duct bends around obstacles and is easier to install in tight spaces. Rigid duct has a smoother interior and can move air with less resistance on straight runs.