Active Air Pre-Filter Pre-Filter:Active Air Pre-Filter, 4"x14" When using Grow Nutrients in

When using Grow Nutrients in soil or coco

Maximum amperage is 0

Large Application: 30 lbs

Good coverage is essential for success

Active Air Pre-Filter Pre-Filter:Active Air Pre-Filter, 4"x14" When using Grow Nutrients inMake 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