Black Ops Replacement Pre-Filter 12 in x 39 in White Lighting Accessories Lighting lettuce and radish (Subs may

lettuce and radish (Subs may include onion

If planting in containers outdoors

The Uvonair® CD-1200 ozone generator will treat all odors being exhausted by a 12 in (30 cm) ventilation system under most circumstances

MATERIAL：Environmental Friendly

Black Ops Replacement Pre-Filter 12 in x 39 in White Lighting Accessories Lighting lettuce and radish (Subs mayUse 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.