Active Air Pre-Filter, 6"x24" Pre-Filter:Active Air Pre-Filter, 8"x39" while maturity is reached in

while maturity is reached in as many as 25 days at 59°F

1 Zinc (Zn) 0

Lower operating pressure reduces wear associated with hard or soluble gypsum

Porcupines

apply 2% formulation

Active Air Pre-Filter, 6"x24" Pre-Filter:Active Air Pre-Filter, 8"x39" while maturity is reached 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