Active Air Pre-Filter Pre-Filter:Active Air Pre-Filter, 4"x14" Large Application: 30 lbs

Large Application: 30 lbs

Then they either poison and kill the plant cells before absorbing food from them or simply steal nutrients from the living cells

5 ml per gallon

General Application Rate: 1-5ml per gallon of water or nutrient solution

The Original Can-Filter is designed for the control of VOCs (paint fumes

Active Air Pre-Filter Pre-Filter:Active Air Pre-Filter, 4"x14" Large Application: 30 lbsMake the most out of your Active Air filter with a corresponding Active Air pre filter. Find the matching size from our large collection! Why choose Active Air filters? All filters are maintenance free and feature long lasting activated virgin charcoal that keeps your air odor free. Inside each filter, the charcoal is carefully packed to ensure consistent and even air flow throughout the carbon bed for full use of the filter. Stock up on pre filters