Black Ops Replacement Pre-Filter 10 in x 39 in White Hydor VermiKelp results in better root

VermiKelp results in better root development through the stimulation of microbial activity

The water pump has an extended baseplate and additional suction cups to prevent any possible tipping

A good source of nitrogen and phosphorus

16” One Touch™ Rain Wand™

Black Ops Replacement Pre-Filter 10 in x 39 in White Hydor VermiKelp results in better rootUse 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.