Active Air Pre-Filter, 4"x14" Grow Tent Kits This technology is a powerful

This technology is a powerful tool for growers that are interested to create a unique final crop

Drench soil thoroughly

Twice the life of the Green Coconut Filter

rust and leaf spot

and I'm glad I did

Active Air Pre-Filter, 4"x14" Grow Tent Kits This technology is a powerfulMake 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