Active Air Pre-Filter, 10"x39" Pre-Filter:Active Air Pre-Filter, 6"x24" Place at high points in

Place at high points in pipe network or upstream of manifolds

Absolute Flower is a comprehensive controlled-release flowering fertilizer designed for the most robust and optimal bloom phases

Specifications for the Phyto-MAX-4 20SP

Bacillus megaterium: 2

Cleanroom Grade HEPA filter

Active Air Pre-Filter, 10"x39" Pre-Filter:Active Air Pre-Filter, 6"x24" Place at high points 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