Atmosphere Pre-FIlters for Pro-Lite Carbon Filters Pre-Filter:Atmosphere Pre-FIlter for Pro-Lite - 14 in. x 50 in. and nothing they have tried

and nothing they have tried will mask the smell

Ozone emmisions from certain plants are a major concern when dealing with air quality around growing indoors

Puncture- and Odor-Proof:

Big Up also provides the final boost of energy that your plants need to finish the bloom cycle with some of the largest flowers you have ever seen

Atmosphere Pre-FIlters for Pro-Lite Carbon Filters Pre-Filter:Atmosphere Pre-FIlter for Pro-Lite - 14 in. x 50 in. and nothing they have triedPre Filter for Pro Lite Filter The Pre Filter eliminates bigger particles such as dust to prevent premature usage of the carbon. These pre filters are optimized to work with Atmosphere's Pro Lite Series **Carbon Filter Sold Separately** Available in multiple sizes: 4 in. x 12 in. 4 in. x 16 in. 6 in. x 16 in. 6 in. x 24 in. 8 in. x 24 in. 8 in. x 40 in. 10 in. x 40 in. 12 in. x 40 in. 14 in. x 40 in. 14 in. x 50 in.