What are the actual dimensions of the 6" filter?

Hi, Thanks for your concern. Below is the size information for MARS HYDRO 6 inch carbon filter: Opening: 6", Length: 8.27" Hope this can help you. Thanks

How often do you recommend replacing this filter?

I would just go with a 6 inch carbon filter that way it pulls out more air if a 6-in can fit than a 4 in and if you get the 6 in replace it maybe once a year depending on how much you use it and how hard you're running it

Does this 4 inch filter hook up to a 4” duct ?

Hello, Thanks for contacting us. Yes, you can use the MARS HYDRO 4 inch carbon filter with 4 inch ducting and inline fans. Hope this helps you, please feel free to contact us with any questions. Best Wishes,

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MARS HYDRO 4 Inch Carbon Filter & Pre-Filter for Inline Fan,Grow Tent | Air Filter Odor Control with Australian Virgin Charcoal,Reversible Flange,For Inline Duct/Exhaust Fan

Product ID: 413302634

Details

Air Filter Construction
Solid
Brand
MARS HYDRO
Common Applications
Residential
Compatible Devices
4 inch inline
Item Weight
6 Pounds
Manufacturer
MARS HYDRO

🌿1050+ Virgin Australian Charcoal

💨210 CFM Airflow Rating

🛡️Heavy-Duty Pre-Filter Cloth

¥24795

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌬️ Elevate your air game—because fresh is the new flex!

VERSATILE ODOR CONTROL - Effectively neutralizes odors from grow rooms, pets, smoke, and more—making your space fresher and more inviting.
BREATHE EASY GROW BETTER - Optimized 210 CFM airflow rating perfectly pairs with 4-inch inline fans for superior ventilation in grow tents and hydroponics.
PURE AIR ZERO COMPROMISE - Premium 1050+ Virgin Australian activated charcoal ensures 100% filtered airflow for unmatched odor elimination.
BUILT TO LAST DESIGNED TO PROTECT - Heavy-duty aluminum and galvanized steel mesh combined with a washable pre-filter cloth keeps your carbon filter residue-free and efficient.
EFFORTLESS INSTALLATION MAINTENANCE - Reversible flange design and included pre-filter make setup and upkeep a breeze, so you stay focused on what matters.

The MARS HYDRO 4 Inch Carbon Filter features premium 1050+ Virgin Australian activated charcoal for 100% filtered airflow and superior odor control. With a robust 210 CFM airflow rating, heavy-duty pre-filter cloth, and reversible flange design, it’s engineered for efficient, versatile use in grow tents, hydroponics, and residential spaces. Durable construction and easy maintenance make it a must-have for professionals seeking clean, odor-free environments.

Specifications

ASIN	B09QBS8NLG
Air Filter Construction	Solid
Best Sellers Rank	#90,210 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #37 in Hydroponic Ventilation Equipment
Brand	MARS HYDRO
Brand Name	MARS HYDRO
Common Applications	Residential
Compatible Devices	4 inch inline fan
Customer Reviews	4.6 out of 5 stars 134 Reviews
Item Weight	6 Pounds
Manufacturer	MARS HYDRO
Manufacturer Part Number	4 inch carbonfilter
Material	Activated Charcoal, Aluminum, Steel
Material Type	Activated Charcoal, Aluminum, Steel
Model Number	4 carbonfilter
Number of Items	2
Product Grade	new
Unit Count	1.0 Count

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