Cooling Fan Simulator (2nd Generation) - Plug & Play 4 Pin Fan Spoofer for Bitmain Antminer S19 and More (Single)

BUYMINERS.CA Cooling Fan Simulator (2nd Generation) - Plug & Play 4 Pin Fan Spoofer for Bitmain Antminer S19 and More (Single)

Aygrochy Quiet 8” Inline Duct Fan with 0-100% Variable Speed Controller - Ventilation Exhaust Fan Using for Heating Cooling Booster, Grow Tents, Hydroponics,Home use Ventilation and Exhaust Blower.