Active Air Pre-Filter, 10"x39" Full Spectrum LED Grow Lights Measures 22"L x 20"W x

Measures 22"L x 20"W x 7"H

In thorough tests conducted by the Humboldt Nutrients team throughout the hills and valleys of Northern California this specific solution of Ca and Mg dominated the competition in side-by-side trials

and minerals

To ensure your Clonex Gel has a long shelf-life do not dip directly into the bottle or pour leftover product back into the bottle

Active Air Pre-Filter, 10"x39" Full Spectrum LED Grow Lights Measures 22"L x 20"W xMake 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