AC Infinity 4" High Efficacy Air Filter Box
Product details
| Management number | 250452117 | Release Date | 2026/09/17 | List Price | US$41.65 | Model Number | 250452117 | ||
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Is the AC Infinity 4" High Efficacy Air Filter Box right for me?
The AC Infinity 4" High Efficacy Air Filter Box is a compact, high-performance filtration system designed to improve air quality in grow rooms, ventilation systems, and homes. It fits 4-inch inline fans and effectively blocks dust, fumes, and smoke from entering or leaving your space. Constructed with cold-rolled steel and aluminum, it offers long-lasting durability, even in extreme weather conditions. The easy-access inner chamber allows for quick filter replacements, making it a low-maintenance, high-efficiency solution for those looking to enhance air purification and odor control.
- Features & Benefits
- Product Specifications
- What is included?
- Warranty Policy
AC Infinity 4" High Efficacy Air Filter Box
The AC Infinity 4" High Efficacy Air Filter Box provides efficient air filtration with high performance and easy maintenance.
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Captures dust, fumes, and smoke, ensuring cleaner air in your grow space. -
Made from cold-rolled steel and aluminum, making it durable and weatherproof.
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Sliding access door allows for quick and effortless filter replacements.
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Works with any 4-inch inline fan, but is optimized for AC Infinity Cloudline fans.
Why Choose the AC Infinity 4" High Efficacy Air Filter Box ?
The AC Infinity 4" Air Filter Box is perfect for growers, homeowners, and industrial users needing compact yet effective air filtration. With a high airflow capacity of up to 400 CFM, it efficiently removes contaminants and odors. The steel and aluminum construction ensures long-term durability, while the quick filter replacement system makes maintenance hassle-free. If you need a small but powerful air filtration system, this filter box is a great investment.
Why AC Infinity?
AC Infinity is a trusted brand known for its high-performance ventilation, filtration, and climate control systems. Their products feature smart automation, ultra-quiet operation, and energy efficiency, making them perfect for indoor growers. With premium materials and advanced technology, AC Infinity ensures optimal air circulation, odor control, and long-lasting reliability.
Why Buy From Us?
At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.
If I could rate 6 stars I would! My representative Edouard B. has been shockingly responsive! Like - oh my god - an actual SERVICE oriented company. He's dug into my odd connectivity issues I've been having - and following up in an AMAZINGLY timey manner. No shit. You'll be impressed! (And the price was also unbeatable, quick shipping...it's all PERFECT). Thank you Ed!!
Customer service was outstanding great people to deal with they understand your needs and they will do their best to fulfill them there is no way I can complain about them because they are the best help out there.Thanks green thumb depot. I'll definitely order from them again
The machine is doing just what my salesman told it would do (I appreciate you Ed thank you) . The machine is what we need for our new business we're starting up, soon to be llc and licensed. We are getting a lot of clients wanting our services. Ed I will be needing more of your products, thank you again.
Great prices, fantastic customer service, and mind blowing shipping! Incredible. Will be using again and telling anyone in need.
FAQ Section
Specifications 
| AC Infinity 4" High Efficacy Air Filter Box Specifications | |
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| Duct Size | 4 inches |
| Total Dimensions | 23.46 x 8.42 x 11.73 in. |
| Flange Length | 3.21 in. (8.2 cm) |
| Box Material | Cold-Rolled Steel |
| Flange Material | Aluminum |
| Finish | Matte Black |
| Filter Size | 12 x 20 x 1 inches (MERV Compatible) |
| Minimum Airflow | 80-120 CFM |
| Maximum Airflow | 400 CFM |
| Compatible Fan Models | Cloudline S4, Cloudline T4 |
| Manual | Click to open |
What’s in the Box? ![]()
The product AC Infinity 4" High Efficacy Air Filter Box includes
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AC Infinity 4" Air Filter Box
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High-Efficacy Removable Filter (12 x 20 x 1 inches)
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Set of Mounting Hardware
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User Manual
Warranty Policy
Please check out the manufacturers website for Warranty related issues.
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Air Filters & Purifiers
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