Active Air Carbon Filter 4 x 14 in - 230 CFM Quest When HANNA ® introduced its

When HANNA ® introduced its first version of the pHep (pH electronic paper) in 1986

if you are not able to give water to the plants daily

When root are visible

streamlining the process of preparing your flower for market or personal use

with over 100 g of each product

Active Air Carbon Filter 4 x 14 in - 230 CFM Quest When HANNA ® introduced itsActive 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