Make 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 to ensure you've always got the cleanest, most efficient Active Air filter in your grow room!
Pre-Filter Only! Carbon Filter Sold Separately
Be the first to review this product
Expert Advice Toll-Free
© 2011-2023 Hydrobuilder.com - 500 Orient Street Suite 150, Chico, CA 95928 USA
All trademarks and trade names are the property of their respective trademark holders.