AC Infinity Flexible Four-Layer Ducting | 8-Ft Long | 6-Inch

Quick Spec: 6 in. (15.2 cm) diameter  |  96 in. (8 ft) length  |  Four-layer construction: dual aluminum foil inner + dual PVC thermoplastic outer  |  Steel-wire spiral  |  Fire/flame resistant  |  Includes two stainless steel 6" duct clamps  |  SKU: AI-DTA6-8

Precision Control in Any Space

Every atmospheric control system is only as reliable as its weakest connection point — and in most installations, that weak point is the duct run itself. Standard single-layer foil ducting collapses under negative pressure, develops micro-tears at bends, and leaks conditioned air at every stress point along the run. The result is a ventilation system that appears to be working while silently bleeding efficiency: odor escapes where it shouldn't, heat accumulates where it can't be tolerated, and the fan controller compensates by running harder than the design load requires. That compounding inefficiency is invisible until it becomes a crop event or an equipment failure.

After deploying the AI-DTA6-8, the duct run holds its geometry through tight bends and hard-to-reach routing paths, the seal at every clamp point stays intact under sustained airflow, and the atmospheric control loop operates against a known, stable resistance — not a variable one. Conditioned air moves from source to destination without loss. The fan runs at its rated operating point. The environment inside the canopy zone reflects what the controller is commanding, not what the ducting is allowing.

That outcome is a direct function of the four-layer construction. The inner core is heavy-duty dual aluminum foil rated fire/flame resistant, providing the thermal barrier and structural integrity that single-layer foil cannot sustain. Surrounding that core is a steel-wire spiral that maintains the duct's circular cross-section through bends and compression, preventing the flow restriction that collapsed ducting introduces. The outer shell is dual PVC thermoplastic, which shields the aluminum layers from cuts and abrasion while creating a secondary seal that stops leakage even when the inner foil is stressed. The full assembly is rated for HVAC, dryer, and grow-room ventilation applications and can be shortened on-site for exact-length routing without special tooling. In practical terms, the AI-DTA6-8 delivers a sealed, fire/flame-resistant 6-inch airflow path across an 8-foot run with a four-layer wall construction that resists leaks, tears, and cuts under operational conditions.

Where This Belongs (and Doesn't)

This ducting is designed for low-pressure flexible duct applications including duct fan systems, HVAC distribution runs, dryer venting, and controlled-environment grow room ventilation. It is not rated for high-pressure rigid duct systems, combustion exhaust, or applications requiring UL 181 listed duct board. Consult a licensed HVAC or mechanical contractor for installations subject to local building code jurisdiction.

How It Works

The AI-DTA6-8 is built around a four-layer wall stack that addresses the three primary failure modes of standard flexible ducting: thermal degradation of the inner surface, structural collapse under negative pressure, and outer-wall puncture from contact with framing, equipment, or installation hardware. Each layer performs a discrete function within that stack.

The innermost layer is heavy-duty dual aluminum foil. Aluminum foil is the standard inner-wall material for flexible HVAC and ventilation ducting because of its low thermal mass, reflectivity, and resistance to moisture condensation. The dual-foil construction doubles the wall thickness at the point of highest thermal and airflow stress, and the fire/flame-resistant rating means the inner surface will not propagate flame under the conditions typical of grow-room and HVAC installations. Directly bonded to the foil layers is the steel-wire spiral — a continuous helical wire embedded in the wall that functions as a structural skeleton. This spiral maintains the 6-inch (15.2 cm) circular cross-section through bends up to the duct's rated flex angle, preventing the oval deformation and kinking that reduces effective flow area and increases system static pressure. The outer shell is dual PVC thermoplastic. PVC thermoplastic provides abrasion resistance, puncture resistance, and a secondary vapor and air seal that the aluminum foil layers alone cannot provide. The dual-layer outer construction means that a surface cut or abrasion that compromises the first PVC layer does not immediately create a through-wall leak path. The full assembly measures 6 inches (15.2 cm) in diameter and 96 inches (8 feet) in length and ships with two stainless steel 6-inch duct clamps for secure termination at both ends. The tube can be shortened on-site using standard sheet metal shears or a utility knife for exact-length routing without waste. In practical terms, the AI-DTA6-8 delivers a four-layer, fire/flame-resistant 6-inch duct run across 8 feet with a steel-wire spiral that maintains cross-sectional geometry through bends, dual aluminum foil inner walls, and a dual PVC thermoplastic outer shell that resists cuts, tears, and leakage under sustained operational airflow.

Commercial Assurance

System Integration

• Pairs directly with AC Infinity CLOUDLINE and CLOUDREV series inline duct fans via the included stainless steel 6-inch duct clamps — no additional hardware required for standard terminations
• Compatible with 6-inch carbon filter flanges, light-cooling duct ports, and HVAC distribution collars rated for flexible duct connection
• Steel-wire spiral construction allows the duct to be routed through framing bays, around equipment, and through tight corners without a separate duct elbow fitting
• On-site shortening capability eliminates the need to stock multiple length SKUs — a single 8-foot section can be cut to any required run length using standard utility tools
• Fire/flame-resistant construction supports deployment in enclosed equipment spaces, attic runs, and wall cavities where material rating is a facility or insurance requirement

Facility Integration Data

The following table provides fleet-scale reference data for operators specifying ducting quantities across multi-site or multi-room deployments. Each duct run is treated as one unit of the AI-DTA6-8 at its 8-foot standard length; installations requiring shorter runs should account for on-site cutting yield per section.

Operator Field Notes

• The steel-wire spiral maintains duct shape through bends but has a minimum bend radius — avoid compressing the duct to less than half its diameter at any bend point to prevent wire fatigue and flow restriction
• Both included stainless steel clamps should be torqued evenly around the circumference at termination points; uneven clamping on flexible duct flanges is the primary source of post-installation leakage
• When shortening on-site, cut between wire spirals rather than through them — cutting through the wire leaves a sharp edge that can abrade the inner foil layer over time under airflow vibration
• PVC thermoplastic outer layers perform best within standard HVAC temperature ranges; avoid routing adjacent to radiant heat sources that exceed the material's rated operating temperature
• For runs exceeding 8 feet, use duct couplers rated for 6-inch flexible duct rather than overlapping sections — overlapped joints without mechanical support collapse under negative pressure from inline fans
• Fire/flame-resistant rating applies to the duct material itself; installation in fire-rated assemblies or plenum spaces may require additional listed components per local mechanical and fire code

Operator FAQ

Shipping & Logistics

• Shipping Jurisdiction: Contiguous 48 United States only. Alaska, Hawaii, U.S. territories, and international destinations are not served under standard fulfillment.
• Fulfillment: Orders are processed and shipped from authorized distribution points. Estimated transit times are provided at checkout and vary by destination zone.
• Returns: Defective units are eligible for return or replacement under AC Infinity's manufacturer warranty policy. Non-defective returns are subject to Cannafull Spectrum Solutions' return policy terms.
• Restocking Fee: Returns of non-defective items are subject to a restocking fee of up to 25% per our Return Policy. Review full terms at cannafullspec.com/pages/return-policy before ordering.

Questions about your order? Contact Cannafull Spectrum Solutions at support@cannafullspec.com or through the contact form at cannafullspec.com.

What's in the Box

• 1x AC Infinity Dual-Layer Ducting 6", 8 ft (SKU: AI-DTA6-8)
• 2x Stainless steel 6-inch duct clamps

Box contents confirmed from manufacturer source data. No additional accessories, installation hardware, or documentation are listed as included. Verify contents against packing slip upon receipt. Report discrepancies to Cannafull Spectrum Solutions within 48 hours of delivery.

Regional Compliance & Deployment Notes

• The AI-DTA6-8 is manufactured by AC Infinity Inc. and distributed through authorized U.S. dealer channels. It is sold for use within the contiguous 48 United States.
• Flexible ducting installations in commercial, industrial, and multi-family residential buildings may be subject to local mechanical codes, fire codes, and building permit requirements. The operator is responsible for verifying that the product's material ratings and construction meet the requirements of the applicable jurisdiction before installation.
• Fire/flame-resistant construction applies to the duct material. Installation in fire-rated wall or ceiling assemblies, plenum spaces, or applications requiring listed duct products per NFPA 90A/90B or local amendments requires verification of applicable listing status by the installing contractor.
• Licensed cannabis cultivation facilities operating under state-issued cultivation licenses should confirm that ventilation component specifications meet any facility design standards required by their licensing authority or third-party compliance auditor.
• No Canadian provincial compliance language, Health Canada references, or CSA certification claims apply to this product listing. This product is sold exclusively through U.S. distribution channels to operators within the contiguous United States.

Compliance requirements vary by jurisdiction, facility classification, and application type. The information provided in this section is for general reference only and does not constitute legal, engineering, or code compliance advice. Cannafull Spectrum Solutions recommends that operators consult a licensed mechanical contractor or code compliance professional for installations subject to local regulatory oversight.