Unbranded Blower 6-1/2" wheel 1hp 3450rpm 3 phase 230/460 Volt it is used the factory where is was at cleaned it up and repainted it and had it on the shelf as a spare
The Inlet is about 5-1/2" Dia. the outlet is 4-3/8 square the bolt holes on the flange are 10-1/2" x 5-3/4"
I powered it up and it runs good
This is from a closed factory that kept spares for there equipment
[Please Look at all the pictures they are part of the description]