turbionaire THEA 50 Manuel D'instructions page 9

5.Reinstall the matel grease filter (Image 6), and compelet the installation (Image 7)
Image 6.
THEA 50
THEA 75
Image 7.
6.The size (mm) of the duct.
THEA 75 - Product Code TH75RCB, TH75RC
THEA - Product Code TH50RCB, TH50RC