Is there any way to get more of the pre filters? Tried to wash mine & it was ripped apart...

Available on Amazon too - https://www.amazon.com/AC-Infinity-Pre-Filter-Replacement-Hydroponics/dp/B09DR8LGV4

I'm seeing a lot of reviews saying this filter only lasts for 6 weeks to 3 months. How do I avoid that issue? Will the company replace defects?

I've been using the same filter since "Last purchased Jul 10, 2020." on a 400cfm fan dialed down half way I only use LEDs. I haven't even flipped the flange around yet even and it still working awesome. Ac infinity a good company I'm sure they would rectify any defect filter but I would not be worried about it.

Can Air be vented out of this filter?

Yes. You could push or pull air through it.

I want to use this to remove cigar smoke in a room that is 350sq ft, will this be ok to use along with the filter?

This is a filter. It works great for all kinds of odors including cigar smoke. Go for it. I have one myself and it works great.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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AC Infinity Air Carbon Filter 4" with Premium Australian Virgin Charcoal, for Inline Duct Fan, Odor Control, Hydroponics, Grow Rooms

AC Infinity Air Carbon Filter 4" with Premium Australian Virgin Charcoal, for Inline Duct Fan, Odor Control, Hydroponics, Grow Rooms

Product ID: 83623932

Details

Air Filter Construction
Solid
Brand
AC Infinity
Compatible Devices
Inline Duct
Item Weight
5.5 Pounds
Manufacturer
AC Infinity
Material
Alloy Steel

🌿Premium Australian virgin charcoal 1200+ IAV

🌬️210 CFM airflow rating

🛡️Powder-coated rust-resistant finish

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€ 124.77

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Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Air Filter Construction
Solid
Brand
AC Infinity
Compatible Devices
Inline Duct

Description

🌿 Breathe easy, grow smarter — the filter your grow room deserves!

READY TO INSTALL - Includes hanging straps, rope clips, and pre-filters for quick setup and maintenance.
QUIET EFFICIENT - Optimized design pairs silently with AC Infinity fans, maintaining airflow at 210 CFM without noise disruption.
SEAMLESS INTEGRATION - 4” duct opening with aluminum flanges ensures a perfect, airtight seal with inline duct fans.
UNMATCHED ODOR CONTROL - Premium Australian RC412 charcoal traps odors and chemicals with 1200+ IAV adsorption power.
ENGINEERED FOR DURABILITY - Powder-coated gunmetal finish and galvanized steel mesh resist rust and high humidity environments.

The AC Infinity Air Carbon Filter 4” is a high-performance inline duct filter designed for hydroponics and grow rooms. Featuring premium Australian virgin charcoal with a 1200+ IAV rating, it delivers superior odor and chemical adsorption. Its durable powder-coated gunmetal finish and galvanized steel mesh ensure long-lasting rust resistance in humid environments. With a 210 CFM airflow rating and included installation accessories, it offers quiet, efficient filtration that integrates seamlessly with inline duct fans.

Specifications

ASIN	B07GSKFBL8
Air Filter Construction	Solid
Best Sellers Rank	#7,564 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #4 in Hydroponic Ventilation Equipment
Brand	AC Infinity
Brand Name	AC Infinity
Common Applications	Industrial
Compatible Devices	Inline Duct Fan, HVAC Systems, Ventilation Devices
Customer Reviews	4.8 out of 5 stars 10,205 Reviews
Included Components	[Hanging Straps, Pre-filters]
Item Dimensions L x W x Thickness	12"L x 12"W x 1.5"Th
Item Weight	5.5 Pounds
Manufacturer	AC Infinity
Manufacturer Part Number	AC-DCF4
Material	Alloy Steel, Aluminum
Material Type	Alloy Steel, Aluminum
Model Number	AC-DCF4
Product Dimensions	12"L x 12"W x 1.5"Th
Product Grade	new
UPC	819137020665

Reviews

C**K

11.03.2026

E**.

6.07.2025

S**L

15.04.2026

T**Y

29.12.2025

F**R

8.02.2022

A**N

27.04.2025

E**.

27.02.2026

B**B

17.03.2026

D**E

22.08.2025

A**D

16.10.2023

K**E

9.11.2023

4**R

16.03.2026

E**E

20.12.2025

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