f7be973c__All_In_One_Grow_Box___Dealzer__What_s_the_Difference_
[0] Air Flow [Yielder Max] 4” Commercial Duct Blower w/ Carbon Filter [Other Grow Cabinets] Axial, Booster, or Bathroom Fan [What's the Difference?] 
More air flow and 10lb carbon filter controls temp and keeps growing odorless. Replaces the air inside the cabinet 3 times a minute, eliminating the need for costly CO2.
Yielder Max - 12 Plant All In One Grow Box - Dealzer
What's the Difference?