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Black flexible duct with silver interior, next to two metal clamps.
Flexible 4-inch diameter, 25-foot long ducting. Specifications: PVC, aluminum foil inner, steel wire structure.
Two stainless steel duct clamps lie on a black surface, with text above describing their use.
Close-up of a flexible, ribbed black duct with a shiny silver interior.
Illustration of multi-layer flexible ducting with steel, PVC, and aluminum foil layers.
Corrugated black flexible ducting with a silver clamp on a white background.
Black flexible duct with silver interior, next to two metal clamps.
Flexible 4-inch diameter, 25-foot long ducting. Specifications: PVC, aluminum foil inner, steel wire structure.
Two stainless steel duct clamps lie on a black surface, with text above describing their use.
Close-up of a flexible, ribbed black duct with a shiny silver interior.
Illustration of multi-layer flexible ducting with steel, PVC, and aluminum foil layers.
Corrugated black flexible ducting with a silver clamp on a white background.
Extra 5% Off

AC Infinity Flexible Four-Layer Ducting - (4" x 25')

Price:
$21.99 USD
Or
Pay as little as
$2199/mo
for a term that suits you, up to 36 months. Learn More
⚡ EXCLUSIVE OFFER! 5% off this item
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AC Infinity Flexible Four-Layer Ducting - (4" x 25')

Struggling with flimsy, leaky ducting that compromises your ventilation system? The AC Infinity Flexible Four-Layer Ducting is the robust solution designed for reliable, long-lasting airflow in any grow room or HVAC setup. Its innovative four-layer construction ensures leaks, tears, and cuts are a thing of the past, providing an airtight channel for your exhaust or intake needs.

Crafted from fire-resistant aluminum and durable dual-layer thermoplastic, this ducting is built for safety and longevity. The internal steel-wire helix maintains its shape while offering incredible flexibility, allowing you to navigate tight corners and complex spaces with ease. This ducting is a perfect match for a high-quality inline fan system, ensuring your entire ventilation chain is secure and efficient. Whether you're a professional grower or optimizing home airflow, this ducting from AC Infinity delivers professional-grade performance.

What's Included

  • 1x Flexible Four-Layer Ducting (4" x 25')
  • 2x Stainless Steel Duct Clamps (4")

Features

AC Infinity Flexible Four-Layer Ducting - (4
AC Infinity Flexible Four-Layer Ducting - (4
AC Infinity Flexible Four-Layer Ducting - (4
AC Infinity Flexible Four-Layer Ducting - (4
🛡️
Durable Four-Layer Construction

A tough four-layer design prevents leaks, tears, and cuts for long-lasting performance.

🔄
Flexible Installation

A reinforced steel-wire spiral structure allows for easy bending and maneuvering in tight spaces.

✂️
Customizable Length

Easily trim the 25-foot ducting to the exact length needed for your specific ventilation setup.

🔥
Fire-Resistant Material

Made with dual aluminum foil layers and thermoplastic for superior resistance to fire and heat.

Specifications

Specification Value
Ducting Size 4 in. (10.2 cm)
Length 25 ft (300 in.)
Outer Layer PVC Thermoplastic
Inner Material Aluminum Foil
Internal Structure Spiral Steel-Wire

Warranty

This product is covered by a 2-year manufacturer's warranty from AC Infinity, ensuring your investment is protected against defects in materials and craftsmanship.

FAQs

What is this ducting used for?+

It's designed for various ventilation and exhaust applications, including grow tents, HVAC systems, bathrooms, kitchens, and workshops. It's a key component for connecting fans and filters, such as the AC Infinity 4" carbon filter.

Is this ducting difficult to cut to a shorter length?+

No, it's designed to be easily customized. You can trim it to your desired length using a pair of wire cutters (for the steel wire) and a utility knife (for the foil and thermoplastic layers).

What makes the four-layer design better than standard ducting?+

The four-layer construction provides superior durability. It combines aluminum foil for fire resistance and thermoplastic layers to prevent punctures and leaks, ensuring a sealed and efficient airflow path that cheaper, single-layer ducts can't match.

Does this ducting help reduce noise from my inline fan?+

While this ducting is designed for efficient airflow, it does not have specific noise-dampening properties. For maximum noise reduction, we recommend pairing it with an AC Infinity Noise Reduction Clamp or a dedicated duct silencer.

Are the included clamps high quality?+

Yes, the kit includes two stainless steel duct clamps that provide a secure, airtight connection to your fan, filter, or ventilation ports, preventing slippage and air leaks.

How can I get the best results when setting up my ventilation?+

For a comprehensive guide on setting up your system, check out our in-depth article on AC Infinity grow tents and air filter kits, which covers many best practices for ventilation.

Shipping & Returns

Order Processing & Shipping

We currently ship within the United States only. No international shipping is available at this time.

Order Processing:

  • Most orders are processed within 24-48 hours after being placed.
  • Some products may have extended processing times of 7-14 business days or more, which will be clearly indicated on the product page. If your order includes such items, you will receive an email from our team or be contacted directly to confirm the estimated shipping timeframe.

Shipping Times:

We partner with reliable national carriers to deliver your orders. While specific delivery times can vary, here's a general timeframe for each carrier:

  • USPS: Typically delivers between 9:00 AM and 5:00 PM, Monday through Saturday.
  • FedEx: Typically delivers between 8:00 AM and 8:00 PM, Monday through Friday, with some Saturday deliveries.
  • UPS: Typically delivers between 9:00 AM and 7:00 PM, Monday through Friday, with some Saturday deliveries.

Note:

  • These are estimated delivery hours and may vary depending on your location and specific delivery circumstances.
  • For the most accurate delivery information, please refer to the tracking details provided once your order has shipped.

Free Shipping

Free shipping on qualified items to the lower 48 states. Some that are not eligible are stated on their respective product information page. Learn more

Refunds & Returns

Cancellations are accepted within 24 hours of placing an order.
Returns are subject to each manufacturer's return policy. Please look into the return policy of the brand prior to ordering. Learn more

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