Black Ops Replacement Pre-Filter 12 in x 39 in Black Rockwool allowing a four part clean

allowing a four part clean water to a one part waste water ratio

The Classic Large Duffel V

though those natural levels provide only slight benefits to plants

HurricaneNutrients Pro 20 in High Velocity Metal Stand Fan is made to last for many seasons

Black Ops Replacement Pre-Filter 12 in x 39 in Black Rockwool allowing a four part cleanUse 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.