Active Air Pre-Filter, 12"x39" Grow Light Cords & Socket Sets to the "FAN" position

to the "FAN" position

herbicides and other pesticides in water based solutions and emulsions

V2 Bin Features

Electrodes can become dirty from use and will produce inaccurate results even as they read correctly in a pH buffer

persimilis life cycle varies based on temperature with higher temperatures accelerating the process and cooler temperatures slowing it down

Active Air Pre-Filter, 12"x39" Grow Light Cords & Socket Sets to the "FAN" positionMake 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