Get rid of stale air in your grow room with this 4 inch, 190 CFM grow room filters. Constructed with 52mm thick carbon layer, it can effectively eliminate odors, filter particulates, and purify the air to provide both you and your plants with a clean and fresh environment if in conjunct use with 4" vortex blower. Instead of leaving the bottom section unused and wasted, it utilizes 100% of the carbon element, allowing for an incredible 18 month life expectancy of continuous use!

Features:

1. 4" Flange
2. 20 " Tall
3. Activated Carbon Charcoal Filter
4. Maintenance-Free Design
5. Safe and Effective Operation
6. Cotton Filter Pad
7. Pre-filter NOT Included

Specification:

Package Content:

• 1 x 4" x Carbon Filter

Please Note the fan and the ducting in the picture are NOT included in this item.