Black Ops Replacement Pre-Filter 10 in x 24 in Black Mother Earth 8 to allow for optimum

8 to allow for optimum fertilizer uptake making the naturally rich ingredients an ideal environment for seedlings to become strong

the built in microprocessor will apply the calculations to the injection schedule which eliminates the guess work and maintains CO2 levels efficiently

BioBud® is sure to make your garden complete

silica helps plants withstand environmental and other stressors so that they spend more of their energy creating blooms and buds

Black Ops Replacement Pre-Filter 10 in x 24 in Black Mother Earth 8 to allow for optimumUse 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 black color does not show the dirt as much.