Active Air Pre-Filters old nutrient-combo 5 inch collection bag

5 inch collection bag

The top layer is thicker

This 5 gallon bucket system is very simple

Ozone production - 270 mg/hr

Active Air Pre-Filters old nutrient-combo 5 inch collection bagMake the most out of your Active Air filter with a corresponding Active Air pre filter. Find the matching size from our large collection, which is individually shrink wrapped with UPC code for easy display and sale. 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