AC Infinity Duct Carbon Filter | Australian Charcoal | 4-Inch

Precision Control in Any Space.

Every uncontrolled odor event is a compliance exposure. When the carbon media in your inline filter saturates ahead of schedule — because the bed is too thin, the IAV rating is too low, or the mesh corrodes under sustained humidity — your atmospheric control layer fails silently. There is no alarm. There is no warning. The first signal is often an inspection, a neighbor complaint, or a canopy stress event caused by the same degraded airflow that let the odor through. Guesswork and equipment that fights you are not abstract problems; they are the specific, measurable cost of running undersized filtration in a space where atmospheric precision is non-negotiable.

After deployment, the atmospheric profile of the facility changes in a way that is operationally legible. Exhaust air exits clean. Intake and exhaust configurations hold their designed pressure differentials. Maintenance intervals extend because the carbon bed is not burning through in half a cycle. Operators stop scheduling emergency filter swaps mid-run and start treating filtration as a background system — one that runs, holds, and does not require intervention until the rated service interval arrives. The facility smells like nothing, which is exactly what it should smell like.

The mechanism behind that outcome is a 38 mm RC412 Australian Virgin charcoal bed rated at 1200+ IAV (Iodine Adsorption Value), housed in a corrosion-resistant galvanized steel mesh frame with a powder-coated gunmetal finish engineered for sustained high-humidity exposure. The aluminum flanges are reversible, allowing operators to extend service life by rotating the carbon bed orientation rather than replacing the unit — a design decision that extends effective lifespan by up to 33% compared to fixed-flange configurations. The 4" duct opening supports a maximum airflow of 210 CFM, compatible with inline duct fan systems in both intake and exhaust configurations. In practical terms, the AC-DCF4 delivers continuous high-adsorption filtration at up to 210 CFM through a 4" duct circuit measuring 11.81 x 6.96 inches (30.0 x 17.7 cm) with a 1.46-inch (3.7 cm) aluminum flange.

Where This Belongs (and Doesn't)

Ventilation system integration should be performed in accordance with applicable local mechanical codes. Cannafull Spectrum Solutions recommends consulting a licensed HVAC or mechanical contractor for permanent duct installations. This product is not a substitute for engineered exhaust systems in facilities subject to occupational air quality regulations.

How It Works

Adsorption performance in activated carbon filtration is a direct function of three variables: carbon grade, bed thickness, and contact time. The AC-DCF4 addresses all three through its RC412 Australian Virgin charcoal media, which carries an Iodine Adsorption Value (IAV) rating of 1200+. IAV is the industry-standard measure of a carbon's microporous surface area and its capacity to capture volatile organic compounds — a higher IAV means more adsorption sites per gram of carbon, which translates directly to longer service intervals before saturation. The 38 mm carbon bed thickness increases the contact time between passing air and active carbon media, supporting a greater surface area engagement per CFM of airflow compared to thinner-bed configurations.

The structural assembly is built to operate without degradation in the high-humidity environments that are standard in controlled cultivation spaces. The outer mesh is rust-resistant galvanized steel with a powder-coated gunmetal finish, and the frame is constructed from corrosion-resistant aluminum — both materials selected specifically for sustained exposure to elevated relative humidity. The reversible aluminum flange design is a service-life engineering decision: when one face of the carbon bed reaches saturation, the operator reverses the flange orientation to expose fresh carbon media to the airflow path, extending effective service life by up to 33% without replacing the unit. Two machine-washable pre-filter cloths are included to prevent carbon particulate migration into the duct circuit, and two rope clip hangers with two hanging straps are provided for inline suspension mounting. In practical terms, the AC-DCF4 operates at up to 210 CFM through a 4" duct opening, with a 38 mm RC412 1200+ IAV carbon bed housed in a corrosion-resistant aluminum and galvanized steel assembly measuring 11.81 x 6.96 inches (30.0 x 17.7 cm).

Configuration Decoder

The Duct Carbon Filter line is available in standard and XL body configurations across five duct diameters. Select the correct variant based on your duct circuit diameter and required carbon bed volume.

XL body variants provide increased carbon bed volume for higher-demand or longer-interval applications. Confirm duct diameter before ordering. CFM ratings for 6"–12" and all XL models not specified in manufacturer source data — contact Cannafull Spectrum Solutions for application sizing guidance.

Commercial Assurance

Cannafull Spectrum Solutions is a factory-authorized dealer for AC Infinity Inc. products. Every AC-DCF4 unit sold through this listing is a genuine, manufacturer-sourced product backed by AC Infinity's product warranty program.

• Warranty: Warranty terms are governed by AC Infinity Inc. Specific warranty period is not specified in available manufacturer source data — contact Cannafull Spectrum Solutions or AC Infinity directly at acinfinity.com for current warranty terms applicable to this SKU.
• Authenticity: Genuine AC Infinity RC412 Australian Virgin charcoal media. UPC: 819137020665 (AC-DCF4).
• Support: Pre-sale application sizing, post-sale technical support, and fleet procurement assistance available through Cannafull Spectrum Solutions.
• Jurisdiction: Cannafull Spectrum Solutions ships within the contiguous 48 United States only.

System Integration

• Inline Duct Fan Pairing: The AC-DCF4 is designed for use with 4" inline duct fans in both intake and exhaust configurations — pair with a fan rated at or below 210 CFM to maintain adsorption contact time within the carbon bed.
• Atmospheric Control Architecture: Functions as the odor and VOC capture node within a broader atmospheric control ecosystem — integrate with temperature, humidity, and CO2 management systems for full environmental loop closure.
• Pre-Filter Maintenance Protocol: The two included machine-washable pre-filter cloths intercept particulate before it reaches the carbon bed, preserving adsorption capacity — wash and reinstall on a regular schedule to maintain rated airflow and carbon service life.
• Flange Reversal Service Interval: Reversible aluminum flange design allows operators to rotate the carbon bed orientation at the midpoint of the service cycle, extending effective filter life by up to 33% without unit replacement.
• Mounting Hardware Included: Two rope clip hangers and two hanging straps are included for inline suspension mounting — no additional hardware required for standard duct circuit installation.

Facility Integration Data

The following ROI reference table is provided to assist procurement and operations teams in evaluating fleet-scale deployment of the AC-DCF4 against the cost of unplanned filter replacement cycles and compliance exposure events. All figures use the MAP price of $49.99 per unit (AC-DCF4).

ROI projections are estimates based on MAP pricing and manufacturer-stated lifespan extension claims. Actual service intervals vary by airflow rate, ambient humidity, and VOC load. Contact Cannafull Spectrum Solutions for application-specific sizing and fleet procurement terms.

Operator Field Notes

• Pre-filter cloth condition is the leading indicator of carbon bed health. When pre-filter cloths require more frequent washing to maintain rated airflow, the carbon bed is approaching saturation — use this as the trigger for flange reversal or unit replacement planning.
• Flange reversal is a scheduled maintenance action, not an emergency repair. Log the installation date and plan the reversal at the midpoint of your expected service interval to capture the full 33% lifespan extension.
• Airflow matching is critical to adsorption efficiency. Running a fan rated significantly above 210 CFM through the AC-DCF4 reduces contact time between air and carbon media, accelerating saturation and shortening service life — match fan CFM to filter rating.
• High-humidity environments are within design parameters. The galvanized steel mesh with gunmetal powder coat and aluminum frame construction are specified for corrosion resistance in sustained high-humidity conditions — no additional protective treatment is required.
• Both intake and exhaust configurations are supported. The filter can be positioned on either the intake or exhaust side of an inline duct fan — confirm configuration with your ventilation circuit design before installation.
• UPC verification for receiving and inventory: AC-DCF4 UPC is 819137020665. Confirm this code on received units to verify authentic AC Infinity product.

Operator FAQ

Shipping & Logistics

• Shipping Jurisdiction: Cannafull Spectrum Solutions ships within the contiguous 48 United States only. Orders to Alaska, Hawaii, U.S. territories, or international destinations cannot be processed through this listing.
• Fulfillment: Orders are processed and shipped from authorized U.S. distribution points. Estimated transit times are provided at checkout based on destination. Cannafull Spectrum Solutions is not responsible for carrier delays after confirmed shipment.
• Returns: Returns of defective or incorrectly shipped items are accepted in accordance with Cannafull Spectrum Solutions return policy. Contact support before initiating any return shipment. Review full terms at cannafullspec.com/pages/return-policy before ordering.
• 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 fleet procurement, application sizing, or order support: contact Cannafull Spectrum Solutions at cannafullspec.com.

What's in the Box

• 1x AC Infinity Duct Carbon Filter 4" (AC-DCF4) — RC412 1200+ IAV Australian Virgin charcoal, 38 mm bed, 4" duct opening, 11.81 x 6.96 in (30.0 x 17.7 cm), 1.46 in (3.7 cm) reversible aluminum flange
• 2x Machine-washable pre-filter cloths
• 2x Rope clip hangers
• 2x Hanging straps

Contents confirmed from manufacturer source data for SKU AC-DCF4. Inline duct fan is not included and must be purchased separately. Verify box contents upon receipt and contact Cannafull Spectrum Solutions immediately if any item is missing or damaged.

Regional Compliance & Deployment Notes

• U.S. Deployment Only: This product is sold and supported by Cannafull Spectrum Solutions exclusively within the contiguous 48 United States. Cannafull Spectrum Solutions does not ship to Canadian provinces or international destinations.
• State Licensing: Operators are responsible for ensuring that their cultivation, processing, or ventilation installation complies with applicable state and local licensing requirements. Cannafull Spectrum Solutions does not provide regulatory compliance guidance.
• Mechanical Code Compliance: Permanent duct installations may be subject to local mechanical or building codes. Consult a licensed mechanical contractor or code authority having jurisdiction (AHJ) before integrating this filter into a permanent ventilation system.
• Occupational Air Quality: This product is designed for odor and VOC adsorption in controlled-environment agricultural and ventilation applications. It is not certified as personal protective equipment (PPE) and is not a substitute for engineered exhaust systems required under OSHA or state occupational health regulations.
• Product Certification: Specific third-party certifications (UL, ETL, CE) are not listed in available manufacturer source data for this SKU. Contact AC Infinity Inc. directly for current certification documentation if required for your facility's compliance program.

Product specifications, pricing, and availability are subject to change without notice. All data presented on this page is sourced from AC Infinity Inc. manufacturer documentation current at time of publication. Cannafull Spectrum Solutions makes no independent warranty claims beyond those issued by AC Infinity Inc. Warranty terms not specified in available source data — contact AC Infinity Inc. or Cannafull Spectrum Solutions for current warranty terms. UPC: 819137020665 (AC-DCF4). Manufactured by AC Infinity Inc.