Active Air Carbon Filter Hydro Flow Pure Blend Pro is a

Pure Blend Pro is a healthy environment-friendly alternative to commercial chemical fertilizers

Decreased internodal spacing

reliable readings

HGC741640 is for PreEvolution sysytems (10 in x 4

Active Air Carbon Filter Hydro Flow Pure Blend Pro is aActive 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