Prem-I-Air KY-44B Instruction Manual page 17

Air Exhaust Dust Installation
Note
1
. Air exhaust duct can
be extend from 0.55 to
1.8 meters, the unit
works more efficiently
if the duct is shorter.
2. Make sure the air
exhaust duct is not
distorted.
3. Use only the duct
supplied
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