Active Air Pre-Filter, 8"x39" Pre-Filter:Active Air Pre-Filter, 6"x16" If you have a medium-sized

If you have a medium-sized hobby grow or small scale commercial grow

Whether you live in a house

You may also use this same dilution to spray the entire plant as well as the affected surfaces for complete pathogen control

The slide tab closure allows the top to slide and secure into tabs on either side of the tin

Active Air Pre-Filter, 8"x39" Pre-Filter:Active Air Pre-Filter, 6"x16" If you have a medium-sizedMake 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