Black Ops Replacement Pre-Filter 12 in x 39 in Black Grow Lamps potassium sulfate

potassium sulfate

Epoxy Resin Encasement of key internal motor components prevents unwanted conductivity and corrosion of metal parts -SAFE & EASY - Safe for fish with no exposed copper

A natural source of nitrogen and minerals

Pair them with a backpack or duffel to keep items separate

Black Ops Replacement Pre-Filter 12 in x 39 in Black Grow Lamps potassium sulfateUse 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.