Active Air Pre-Filter, 10"x39" Pre-Filter:Active Air Pre-Filter, 6"x24" Bacillus megaterium: 2

Bacillus megaterium: 2

Our DBT Models 4 and 5 both feature a timer valve

(10 ml) per gallon

water can enter the packaging and result in some predatory mites being lost

Active Air Pre-Filter, 10"x39" Pre-Filter:Active Air Pre-Filter, 6"x24" Bacillus megaterium: 2Make 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