AC Infinity Inline Duct Silencer | 8-Inch

Quick Spec: 8" duct opening | 27" body length | 26.92 x 10.94 in. overall | 6.00 lbs | Galvanized steel body | Egg-crate neoprene foam lining | Reversible stainless steel flanges | SKU: AC-DSA8

Precision Control in Any Space

Unmanaged acoustic output is an operational liability that compounds quietly. Every inline fan running without attenuation transmits vibration energy directly into the duct structure, converting your ventilation system into a broadband noise source that bleeds through walls, disrupts adjacent work zones, and signals environmental instability to anyone within earshot. In a space where atmospheric control is non-negotiable, uncontrolled fan noise is not a minor inconvenience — it is a persistent indicator that your system is working against you. The longer it runs unaddressed, the more it erodes the operational discipline that precision environments demand.

After the AC Infinity Duct Fan Silencer 8" is integrated into the duct run, the acoustic profile of the space changes measurably. Fan vibration energy is absorbed before it propagates. Airflow turbulence is damped at the source. The facility operates at a noise floor that reflects the controlled, deliberate environment you have built — not the mechanical chaos of an unlined duct system. Operators can run fans at full capacity without acoustic compromise, and the duct network functions as a sealed atmospheric delivery system rather than a resonance chamber.

The mechanism behind that outcome is a purpose-engineered combination of materials and geometry. The galvanized steel body — 27 inches in length with a total footprint of 26.92 x 10.94 inches — houses a high-quality neoprene foam lining cut in an egg-crate pattern, a geometry specifically chosen to maximize surface area contact with moving air and break up acoustic wave propagation along the duct axis. Dual flanges with a 1.50-inch flange length and reversible orientation allow the silencer to be installed in either intake or exhaust configurations without modification, and the corrosion-resistant construction ensures performance integrity across the temperature extremes common in enclosed grow environments. In practical terms, the AC Infinity Duct Fan Silencer 8" delivers up to 50% noise reduction across an 8-inch duct run within a 27-inch inline installation footprint weighing 6.00 pounds.

Where This Belongs (and Doesn't)

This silencer is a passive acoustic attenuation component. It does not regulate airflow volume, filter particulates, or provide electrical isolation. Installation must comply with all applicable local mechanical and building codes. Consult a licensed HVAC professional for duct system design in regulated facilities.

How It Works

The AC Infinity Duct Fan Silencer 8" operates on a passive acoustic absorption principle. Airborne sound energy generated by inline fan operation — including both tonal fan blade frequencies and broadband turbulence noise — enters the silencer body and encounters the egg-crate neoprene foam lining. The egg-crate geometry increases the effective surface area of the absorptive material relative to a flat-faced liner, creating more contact opportunities for acoustic wave energy to convert into low-level heat rather than continuing to propagate downstream through the duct. The result is a measurable reduction in transmitted noise of up to 50% without introducing a fixed restriction that would meaningfully impede airflow volume.

The galvanized steel body provides the structural rigidity necessary to maintain duct geometry under both positive and negative pressure conditions, and its corrosion-resistant properties ensure that the acoustic performance characteristics remain stable across the temperature extremes typical of enclosed grow environments. The reversible flange design — with 1.50-inch flanges constructed with stainless steel — allows the unit to be oriented for either intake or exhaust service without requiring separate SKUs or field modification. The overall installed length of 27 inches (total dimensions: 26.92 x 10.94 in. / 68.4 x 27.8 cm) fits within standard duct run planning allowances, and the 6.00-pound unit weight is manageable for single-operator installation in overhead or wall-mounted duct configurations. In practical terms, the AC Infinity Duct Fan Silencer 8" delivers up to 50% acoustic attenuation within a 27-inch galvanized steel body at 6.00 pounds installed weight, compatible with both intake and exhaust 8-inch duct configurations.

System Integration

• Pairs directly with AC Infinity inline duct fans and compatible third-party 8-inch inline fan systems — install in-line between fan outlet and duct run without additional adapters when duct diameter matches
• Reversible flange orientation means a single unit serves both intake and exhaust positions within the same atmospheric control ecosystem, reducing spare parts inventory requirements
• Corrosion-resistant galvanized steel body is compatible with standard duct tape, metal foil tape, and mechanical clamp connections used in professional duct assembly
• Temperature tolerance supports deployment in both high-heat exhaust runs and cooled intake configurations without material degradation under normal operating conditions
• 27-inch body length should be accounted for in duct run planning — verify available linear footage before specifying installation position

Operator Field Notes

• Verify 27-inch linear clearance in the duct run before ordering — this is the most common installation oversight and cannot be resolved after the unit is in hand
• The reversible flange design is a genuine operational advantage: a single silencer can be repositioned from intake to exhaust service during facility reconfiguration without purchasing a separate unit
• Egg-crate foam pattern performs best when airflow is unobstructed at both flanges — avoid installing immediately downstream of sharp duct bends where turbulence is already elevated
• The source data lists flange material as both stainless steel (Table A) and aluminum (Table B marketing claims) — confirm with AC Infinity directly if flange material specification is critical to your installation environment
• Warranty terms are not specified in available source data — request written warranty documentation from AC Infinity before committing to large fleet deployments
• At 6.00 pounds, overhead duct installations should use appropriate hanger hardware rated for the combined weight of the silencer plus the connected duct and fan assembly

Shipping & Logistics

• Shipping Territory: Cannafull Spectrum Solutions ships within the contiguous 48 United States only. Orders outside this territory cannot be fulfilled.
• Freight Class: The AC-DSA8 ships as a standard parcel at 6.00 pounds with overall dimensions of 26.92 x 10.94 inches. Packaging dimensions may exceed product dimensions — confirm carrier compatibility for your receiving dock if ordering in volume.
• Returns: Returns are subject to the Cannafull Spectrum Solutions return policy. Units must be in original, uninstalled condition to qualify for return consideration. Installed units are not eligible for return unless defective.
• 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.

For volume orders, freight coordination, or pre-purchase technical questions, contact Cannafull Spectrum Solutions directly through cannafullspec.com.

What's in the Box

• 1x AC Infinity Duct Fan Silencer 8" — SKU AC-DSA8
• Galvanized steel body with factory-installed egg-crate neoprene foam lining
• Reversible flanges (1.50-inch flange length) pre-attached

Note: Box contents are confirmed based on available product source data. Mounting hardware, duct tape, clamps, and installation accessories are not included and must be sourced separately. Verify box contents against the packing slip upon receipt. Discrepancies should be reported to Cannafull Spectrum Solutions within 48 hours of delivery.

Regional Compliance & Deployment Notes

• The AC Infinity Duct Fan Silencer 8" is a passive mechanical component. It does not carry an electrical rating and does not require electrical certification for installation.
• Duct system installations in licensed commercial facilities may be subject to local mechanical codes, building permits, and inspection requirements. Compliance with applicable codes is the responsibility of the installing operator or licensed contractor.
• This product is available for sale and shipment within the contiguous 48 United States only through Cannafull Spectrum Solutions.
• Operators in jurisdictions with specific HVAC or ventilation standards for licensed cultivation facilities should verify that duct component specifications meet local authority having jurisdiction (AHJ) requirements before installation.
• No specific UL, ETL, or other third-party safety certifications are referenced in the available source data for this SKU. Confirm certification status with AC Infinity if your facility's compliance program requires documented third-party testing for mechanical components.

Cannafull Spectrum Solutions provides product data in good faith based on manufacturer-supplied specifications. Regulatory compliance determinations are the sole responsibility of the purchasing operator. Specifications are subject to change by the manufacturer without notice. Verify current specifications with AC Infinity prior to large-scale procurement or facility design commitments.