Active Air Carbon Filter Size:6" x 24" - 500 CFM The flange boasts crimped rims

The flange boasts crimped rims and a raised lip on the duct opening

This combo kit includes electronic ballast

Accessories such as a waterproof floor tray

you can fulfill each plant's exact nutrient needs based on its growth stage and environment

Active Air Carbon Filter Size:6" x 24" - 500 CFM The flange boasts crimped rimsActive Air Carbon Filters are loaded with virgin activated Australian granular carbon. This carbon adsorbs VOC's (volatile organic compounds) therefore trapping every odor molecule that passes through the filter onto the micro porous carbon surface. These filters are light weight and incredibly effective at removing the most potent and dankest odors. Each filter is machine packed and includes a pre filter. Attached flange 1. 8" carbon bed depth Powder