Airbox Refill Cartridge 4 Filter Size:Airbox Refill Cartridge 4 Plus Industrial high velocity fans use

Industrial high velocity fans use less energy than air conditioners

2 Combo Duffel you’ll have plenty of storage space with all the benefits of a true carbon lined bag and carbon lined insert

Avoid excessive water volume

feature packed vertical grow light for indoor horticulture

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

Airbox Refill Cartridge 4 Filter Size:Airbox Refill Cartridge 4 Plus Industrial high velocity fans useRefill 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)