- 1x Duct Filter
- 2x Pre-Filter Cloths
- 2x Filter Straps
- 2x Rope Clips
- 1x Steel Scoop
- 1x Carbon Funnel
- 1x Australian Charcoal Refill
AC Infinity 8" Refillable Carbon Filter
- 1200+ IAV Australian virgin charcoal for high porosity odor absorption
- Tool-free twist-off flanges allow for quick and mess-free carbon refills
- 8-inch duct opening fits high performance fans like the Cloudline T8
- View More Details
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Commercial & Bulk Purchasing
We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.
Who This Is For
- You are switching to a refillable system because the cost and waste of disposable steel canisters is hard to justify.
- You are upgrading your exhaust setup because your current filter cannot keep up with odors from a large canopy.
What We Found
- We found that the scoop and funnel actually keep messy carbon dust out of your ducting during a refill.
- The twist off flanges are a major improvement for anyone who has struggled with tools in a tight grow tent.
What Users Say
- Users who switched from disposables say they reduced long term hardware costs by just buying bulk carbon refills.
- Operators say the high grade Australian charcoal stopped the lingering odors that their previous filters missed.
AC Infinity 8" Refillable Carbon Filter
Tired of the recurring cost and waste of disposable carbon filters? The AC Infinity 8" Refillable Carbon Filter offers a smarter, more sustainable solution for eliminating odors in your grow space. This iF award-winning patented system is engineered for eco-conscious growers who demand performance without compromise. By simply replacing the activated carbon, you save money and reduce environmental impact over multiple grow cycles. It's the ideal choice for pairing with a high-performance fan like the AC Infinity Cloudline T8 for a complete ventilation setup.
What's Included
Features




Sustainable Design
Eliminate waste and save money. Simply refill the premium charcoal instead of replacing the entire filter unit.
Easy Refill System
Features tool-free, twist-off flanges and includes a scoop and funnel for a quick and mess-free refill process.
Built to Last
Constructed with dual-layer, rust-resistant galvanized steel mesh to withstand high humidity and ensure longevity.
Premium Odor Control
Utilizes 1200+ IAV Australian virgin charcoal for maximum porosity and superior absorption of odors and chemicals.
Specifications
| Specification | Value |
|---|---|
| Duct Opening Size | 8 in. |
| Total Dimensions | 19.80 x 10.94 in. (50.3 x 27.8 cm) |
| Flange Length | 1.57 in. (4.0 cm) |
| Flange Material | Aluminum |
| Flange Design | Reversible |
| Mesh Material | Rust-Resistant Galvanized Steel with Gunmetal Finish |
| Carbon Type | Australian Virgin RC412 |
| Carbon Grade | 1200+ IAV |
| Carbon Thickness | 38mm |
| Maximum Airflow | 770 CFM |
Support & Manuals
FAQs
The key difference is its patented refillable design. Instead of throwing away the entire filter, you only replace the activated charcoal inside. This significantly reduces waste and is much more cost-effective in the long run, making it a smart investment for any serious grower.
The lifespan of the carbon depends on the odor levels and humidity in your environment, but a typical refill lasts between 12 to 18 months. We recommend keeping a supply of AC Infinity Activated Carbon Refill on hand to ensure your space always remains odor-free.
This filter is designed for any inline fan with an 8-inch duct opening. For optimal performance, automation, and quiet operation, we highly recommend pairing it with the AC Infinity CLOUDLINE T8 Inline Fan System.
Not at all. The process is designed to be simple and mess-free. The twist-off aluminum flanges require no tools, and the kit includes a specially designed funnel and scoop, making it easy to pour the new charcoal into the chamber.
It uses premium-grade Australian RC412 virgin charcoal, which is considered the industry standard for air filtration. It has a 1200+ IAV rating, indicating a very high level of microporosity for maximum absorption of odors and airborne impurities.
For a comprehensive overview of how to properly set up your grow tent ventilation, including fans and filters, check out our in-depth guide 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.