Active Air Pre-Filter Pre-Filter:Active Air Pre-Filter, 4"x14" Good coverage is essential for

Good coverage is essential for success

Budswel is reputed as one of the finest organic fruiting fertilizers available and can be used throughout the whole life of the plant

a nutrient-rich microbial food

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

put together in a way to stimulate growth

Active Air Pre-Filter Pre-Filter:Active Air Pre-Filter, 4"x14" Good coverage is essential forMake 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