Dual 4" Flange Kit
Dual 4" Flange Kit at HorticultureSource.com -
Active Air Dual 4" Flange Kit (HAF4) The Double Flange Kit is available in 4" and 6". The kit allows you to duct to a grow tent from a window or A/C unit. Manufacturer's Product Information MSRP each $ 13.95 UPC 638104002943 Dimensions 8 x 3.7 x 8 Case Weight 6 Case Quantity 10