Active Air Carbon Filter 6 x 16 in - 400 CFM Fungus Gnats The 4 g covers 12

The 4 g covers 12 g and the 67 g covers a full pound

AC Infinity CLOUDLINE S-Series quiet inline duct fan with speed control

you ensure that every drop of fertilizer is utilized effectively for lush

This feature allows you to process high volumes of plant material efficiently and effortlessly

Plugs are pre-moistened with a proprietary nutrient blend including Trichoderma

Active Air Carbon Filter 6 x 16 in - 400 CFM Fungus Gnats The 4 g covers 12Active 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