Active Air Pre-Filter, 8"x39" Pre-Filter:Active Air Pre-Filter, 6"x16" The DimLux CO2 Sensor will

The DimLux CO2 Sensor will need to be hung in the canopy area at roughly the same height as your plants

If you have a medium-sized hobby grow or small scale commercial grow

Whether you live in a house

Dutch Pro A+B Bloom Hydro/Coco is a perfectly mixed 2 part system that stimulates maximum blooms and prepares your plants to reach their maximum yield

Active Air Pre-Filter, 8"x39" Pre-Filter:Active Air Pre-Filter, 6"x16" The DimLux CO2 Sensor willMake 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