- 1x AC Infinity Flexible Four-Layer Ducting (8" x 25')
- 2x Stainless Steel 8-inch Duct Clamps
AC Infinity Flexible Four-Layer Ducting - (8" x 25')
- Expands to full 25-foot length while maintaining its 8-inch diameter
- Internal steel-wire helix and four-layer design resist tears and kinking
- Connects directly to 8-inch fans and includes two stainless steel clamps
- 2-year warranty against defects in materials and craftsmanship
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Who This Is For
- You are upgrading your exhaust line because paper-thin ducts keep tearing every time you adjust your fan.
- You are routing through a cramped space because standard ducting kinks and chokes off your airflow.
- You are building a high-heat exhaust setup because you need the safety of fire-resistant aluminum layers.
What We Found
- The 4-layer material is noticeably thicker than standard foil, so it stays open even when pulling high CFM.
- We like that the included clamps are heavy-duty enough to bite into the material without stripping the screw.
What Users Say
- Users say they stopped using rolls of duct tape because the puncture resistance handles accidental bumps.
- Installers say they stopped tearing the ends when sliding these over fan flanges, which saves a lot of time.
AC Infinity Flexible Four-Layer Ducting - (8" x 25')
Stop letting flimsy, leaky ducts compromise your ventilation system's efficiency. The AC Infinity Flexible Four-Layer Ducting is engineered for superior durability and performance, providing a reliable and airtight channel for air movement. Whether you're optimizing an HVAC system, venting a grow room, or setting up an exhaust line, this ducting's robust construction ensures you get consistent, powerful airflow where you need it most. It connects seamlessly to compatible equipment like the AC Infinity Cloudline T8 Inline Fan System, ensuring a perfect fit for your setup.
Crafted with a rugged four-layer design, this ducting masterfully resists tears, punctures, and leaks that plague lesser-quality options. The internal steel-wire helix provides exceptional flexibility, allowing you to navigate tight corners and obstacles without kinking or restricting airflow. The dual aluminum foil layers offer excellent fire resistance for added safety. For an even quieter setup, you can pair it with an AC Infinity Duct Silencer to minimize operational noise.
What's Included
Features



Robust Four-Layer Build
Resists leaks, tears, and cuts for long-lasting, reliable performance in any environment.
Flexible Steel-Wire Core
Easily bends around obstacles and tight corners for a hassle-free, custom installation.
Customizable Length
Trim the ducting to the exact size needed for your specific ventilation setup.
Fire-Resistant Construction
Made with dual aluminum foil layers for enhanced safety and peace of mind.
Specifications
| Specification | Value |
|---|---|
| Ducting Size | 8 in. (20.3 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 warranty from AC Infinity, ensuring your investment is protected against defects in materials and craftsmanship.
FAQs
The four-layer construction provides superior resistance to punctures, tears, and leaks compared to single-layer ducting. This ensures that your ventilation system operates at maximum efficiency without losing air pressure, delivering better and more consistent results.
Yes, the ducting is designed to be easily trimmed to fit your specific application. You can use a pair of wire cutters or tin snips to cut through the internal steel wire and a utility knife for the foil and thermoplastic layers.
It's ideal for a wide range of uses, including general HVAC, bathroom exhausts, dryer venting, and as a core component in horticultural setups like AC Infinity grow tents for intake or exhaust lines.
This is a non-insulated ducting, designed primarily for efficient air transfer. It does not have thermal insulation properties. For applications requiring temperature control, an insulated ducting model would be more suitable.
While this ducting helps maintain smooth airflow, adding an AC Infinity 8" Duct Silencer is the most effective way to significantly cut down on fan noise and air turbulence sounds.
For optimal performance, ensure your ducting runs are as straight and short as possible to minimize airflow resistance. For a complete guide on setting up your environment, check out our in-depth article on AC Infinity grow tents and air filter kits.
Questions About This Product?
Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)
Why Trimleaf
Equipping home growers, craft producers, and commercial operations across North America since 2016.