DL Wholesale Light-Proof Black Duct - 8 in x 25 ft

Keep Dark Cycles Dark While Moving Air - 25 ft Run

Ventilation ducting that leaks light can disrupt a lights-out schedule. This duct uses a blackout coating over aluminum, so a properly installed run carries air without admitting light. A wire helix holds the duct open for steady airflow.

At 8 in diameter and 25 ft extended, this single length suits a regular indoor grower connecting a fan, filter or tent ports across a room. Cut or fold the run to fit your layout.

Key Features & Benefits

• Blackout coating — blocks light from entering the duct when properly installed.
• Aluminum construction — flame resistant material for ventilation use.
• Spring steel wire helix — adds flexibility for easier routing and reinforces the duct.
• Temperature range of 0°F to 185°F — suits typical intake and exhaust conditions.
• 8 in x 25 ft — one length covers many room and tent setups.

Who Should Use DL Wholesale Light-Proof Black Duct

Indoor growers, grow tent users and greenhouse operators who need intake or exhaust ducting that stays dark. It also works in other ventilation jobs such as kitchens and bathrooms.

About DL Wholesale Light-Proof Black Duct

DL Wholesale makes this flexible ventilation duct from aluminum with a blackout coating and a wire helix for reinforcement. It measures 8 in in diameter and 25 ft fully extended, and it is sold as a single unit.

Frequently Asked Questions

Q: Does this duct let light through?
A: The blackout coating is designed to be light proof. When properly installed, no light should enter the duct. Check that connections are sealed.

Q: How long is it?
A: It is 25 ft when fully extended. In storage it is compact, so allow for stretching it out during installation.

Q: Can I use it for both intake and exhaust?
A: Yes. It is designed for intake and exhaust piping in grow rooms, tents and greenhouses.

Q: What is a wire helix?
A: It is a coil of wire built into the duct wall. It keeps the duct round and open while letting it bend.

Q: What temperatures can it handle?
A: It is rated for 0°F to 185°F (-18°C to 85°C). That covers typical ventilation use.