Ventilation adapter for the Antminer S9 from 120 mm to 140 mm made of 1.5 mm thick galvanized sheet metal.
Included:
2 adapters
Sufficient aluminum sealing tape to seal the adapters
8 screws to mount the adapters on the Antminer S9
8 screws to attach the two 140 mm fans to the adapters
Not included:
The 140 mm fans
The Antminer S9
The power supply