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

$58.99 $69.00


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  • Description

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

Product Overview

Attribute Details
Duct Opening 4”
Length 13”
Airflow Rating 210 CFM
Carbon Type Australian Virgin RC412
Carbon Grade 1200+ IAV
Carbon Thickness 38mm
Flange Material Aluminum
Mesh Material Galvanized Steel
Maximum Airflow 210 CFM
Total Dimensions 13.35 x 6.97 in. (33.3 x 17.7 cm)
Flange Length 1.46 in. (3.7 cm)

Eliminate Odors and Chemicals with Premium Performance

Our AC Infinity Duct Carbon Filter is designed to tackle tough odors and chemicals in spaces like grow rooms, hydroponics setups, kitchens, and smoking areas. Built with a premium-grade Australian Virgin charcoal bed, this filter ensures high adsorption rates while maintaining excellent airflow. Whether you’re using it as an intake or exhaust filter, it’s a reliable solution for cleaner, fresher air.


Why Choose Our Duct Carbon Filter?

High-Airflow Design

With an airflow rating of 210 CFM, this filter allows maximum air passthrough without restricting ventilation. It’s perfect for setups where airflow efficiency is critical.

Premium Australian Charcoal

The Australian Virgin RC412 charcoal is rated at 1200+ IAV, offering superior adsorption and a longer lifespan. The 38mm thick charcoal bed ensures optimal performance, lasting up to 33% longer than standard filters.

Heavy-Duty Construction

Built to last, this filter features aluminum flanges and dual-sided galvanized steel mesh. The reversible flanges extend the filter’s life, while the included machine-washable pre-filter cloth prevents carbon residue buildup.

Versatile Applications

Whether you’re managing odors in a grow tent, kitchen, or smoking area, this filter is designed to work seamlessly with inline duct fans for both intake and exhaust configurations.


Key Features

  • Odor and Chemical Elimination: Ideal for grow tents, hydroponics, and ventilation projects.
  • Premium Australian Charcoal: High adsorption rate and extended lifespan.
  • Durable Build: Aluminum flanges, galvanized steel mesh, and a washable pre-filter.
  • Reversible Flanges: Prolongs the filter’s usability.
  • Compact Design: 4” duct opening and 13” length for easy integration.

Frequently Asked Questions

1. How often should I replace the carbon filter?

The lifespan of the filter depends on usage and environmental conditions. With its 38mm thick charcoal bed, it typically lasts longer than standard filters, especially when paired with the washable pre-filter.

2. Can I use this filter with any inline duct fan?

Yes, this filter is compatible with most inline duct fans. Its 4” duct opening makes it easy to integrate into your existing ventilation system.

3. Is the pre-filter cloth reusable?

Absolutely! The included pre-filter cloth is machine washable, making it easy to maintain and reuse.

4. What makes Australian Virgin charcoal better?

Australian Virgin charcoal has a higher microporosity and surface area, which enhances its adsorption capabilities and extends its lifespan compared to standard charcoal.


Upgrade your ventilation system with the AC Infinity Duct Carbon Filter and enjoy cleaner, odor-free air in any space. Designed for durability and performance, it’s the ultimate solution for your air filtration needs.