Active Air Carbon Filter 4 x 14 in - 230 CFM CVault 75% RH Two-Way Control: Holds

75% RH Two-Way Control: Holds the wetter setpoint rather than only adding or only removing moisture

effectively sanitizing air and surfaces within your grow space 24/7 while leaving no harmful chemical residues

IP65 Waterproof + UL 8800 + DLC: Meets commercial safety

That is what separates a disc from a screen

Commercial-Scale DE MH Lamp for Large Vegetative Footprints

Active Air Carbon Filter 4 x 14 in - 230 CFM CVault 75% RH Two-Way Control: HoldsActive Air Carbon Filters are loaded with virgin activated Australian Granular Carbon. This carbon absorbs VOC's (volatile organic compounds) thus 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 heavy odors. Each filter is machine packed and includes a pre filter. Features Attached flange 1. 8" carbon bed depth