Description:26 inches (650mm), Wall Mounted industrial fan
Electrical para:220-240VAC / 100-120VAC 50/60Hz 165-230W adjustable
Fan parameter:3 speeds from 1080 to 1420, 7500-9750cbm/h, 57-70 dB

Description:36 inches (850mm), Wall Mounted industrial fan
Electrical para:220-240VAC / 100-120VAC 50/60Hz 350-400W adjustable
Fan parameter:3 speeds from 1080 to 1420, 11500-14800cbm/h, 68-79 dB