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12-hour thermometer trend
This helps bring warm air out of the peak or ceiling
As proven by thousands of tissue samples taken from the exact type of plants you grow
The white surface reflects the light striking it and sends the light back to the plants
this concentrated formula requires a low application rate to achieve a high impact on young flower buds
Active Air Pre-Filter, 6"x24" Odor Control & Filters 12-hour thermometer trendMake 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
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