Black Ops Replacement Pre-Filter 10 in x 39 in White Low Tide (LT) Grow Trays The Max-Fan™ is more powerful

The Max-Fan™ is more powerful and efficient fan that takes less energy to run

Sturdy powder coated framework helps protect against rust and gives a cleaner look

postponing the CO2 cultivation until you get it home and are ready to use it

This is a must-have smaller carry bag

Black Ops Replacement Pre-Filter 10 in x 39 in White Low Tide (LT) Grow Trays The Max-Fan™ is more powerfulUse these for a pre filter on you Black OpsNutrients Carbon Filters. Match the pre filter to your Black OpsNutrients Carbon Filter size. Helps to extend the life of your Black OpsNutrients Carbon Filter by keeping dust and other particles out. The white pre filters give a bright, clean appearance.