Airbox Refill Cartridge 4 Filter Size:Airbox Refill Cartridge 4 Plus feature packed vertical grow light

feature packed vertical grow light for indoor horticulture

and works with heavy gauge ABS grow mod trays that will not bow

calcium and iron

Irrigation systems regularly maintained with Wet HOCL will last longer and run more optimally throughout

Airbox Refill Cartridge 4 Filter Size:Airbox Refill Cartridge 4 Plus feature packed vertical grow lightRefill cartridge for Air Box Air Filter Stealth 1 2 3 4 4+, fits these three models. Single Filter. This refill cartridge size is suitable for Airbox 1, Airbox 2 and Airbox 3, Airbox 4, and Airbox 4+. (IMPORTANT: Order 1 OR 2 OR 3 OR 4 OR 4 Plus cartridges as required for your Air Box unit)