Ducting

Black Air Duct mm x 4.5M

Black Air Duct mm x 4.5M

$50.00
$50.00

Duct used to extract air from grow rooms. This great quality duct is light tight and is black on the outside and silver on the inside. Tip: Try to keep your duct as taught as possible as the noise associated with fans and ducting is the air running over the ribs of the ducting.

 

  • Free 30 day return policy
  • Quality product
  • Shipping available | Estimated Delivery time: 02 August 2025
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  • Grow Faster. Harvest Heavier.

    Don’t leave your harvest to chance. At Greenhouse Factory, we supply the precision gear and professional-grade nutrients that turn average grows into high-yield successes. Whether you’re running a small home tent or a large-scale facility, we provide the expert-vetted inventory and technical knowledge you need to master your environment and maximize every plant’s potential.

  • Expert-Vetted Inventory

    We don’t just stock shelves; we test every product we carry. From full-spectrum LED arrays to precision pH monitors, we only sell the brands that our experts trust in their own grows.

  • Nutrient Precision

    Stop guessing your feed schedule. We carry a comprehensive range of professional hydroponic nutrients and additives designed to deliver the exact mineral balance required for every stage of growth.

  • Climate Control Command

    The secret to a successful grow is consistency. Shop our advanced ventilation, dehumidification, and CO2 systems to maintain the "Goldilocks Zone" 24 hours a day, 365 days a year.

  • Immediate Availability

    Your grow cycle doesn't have a "pause" button. We maintain deep stock levels on all essential growing media, replacement parts, and nutrients so you never have to worry about backorders.

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What People Say About Us

5

Finally, a shop that actually stocks the good stuff. Their nutrient selection is the best in the area, and I never have to worry about them being out of stock when my reservoir is low.

James H., Craft Cultivator

5

I was overwhelmed starting my first DWC setup. The team here walked me through exactly what I needed without overselling me. My first harvest was huge.

Mia R., Home Grower

5

Fast shipping and everything arrived discreetly packaged. This is my new go-to for all my indoor grow supplies.

Kevin S., E-commerce Customer

5

Best prices on LEDs I’ve found. They know the tech and helped me pick the right spectrum for my specific tent size.

Leo G., Hobbyist

Frequently Asked Questions

How long will it take to receive my order?
Most orders are processed within 1–2 business days. Standard shipping typically takes 3–7 business days depending on your location. Once your order ships, you will receive a tracking number via email so you can monitor your gear every step of the way.
Is your packaging discreet?
We value your privacy. All orders are shipped in plain, unmarked cardboard boxes with no mention of "Hydroponics" or "Grow Shop" on the exterior. The return address will simply list our parent company name to ensure your hobby or business remains your business.
Do you ship heavy or oversized items?
Yes! We specialize in shipping bulky items like lighting systems, grow media, and ventilation kits. If your order requires a liftgate or special delivery instructions, please contact our team before checkout.
What is your return policy for technical equipment?
We offer a 30-day return policy on most unopened, unused items. For technical equipment like LEDs or digital meters, we honor all manufacturer warranties. If a product arrives defective or damaged, please contact us within 48 hours of delivery so we can arrange a priority replacement.

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