Black Ops Replacement Pre-Filter 14 in x 48 in Black Fittings heavy-duty reservoir if you are

heavy-duty reservoir if you are building your own system

it can increase and extend bud set and flowering

Easy to install

DOUBLE LUMENS

Hydroplex® Bloom Enhancer creates larger fruits and flowers and surpasses that standard by both increasing plants' resistance to external stresses and amplifying natural enzyme

Black Ops Replacement Pre-Filter 14 in x 48 in Black Fittings heavy-duty reservoir if you areUse 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.