Hydroponis Plant System High Iodine Air Filter 1.Dia:100-315mm, length:300-1250mm 2.Carbon layer thick: 35mm, 50mm High Iodine Air Filter for Hydroponics Plant ... , Grow tent, Carbon filter, Light reflector, Electronic Ballast, Heavy duty hanger, Flexible duct... Rope Ratchet Filter Hanger High Iodine Air Filter for Hydroponics Plant System ...