PURPOSE: To provide the subject scrubber excellent in gas scrubbing effect in spite of a small size.

CONSTITUTION: This scrubber is equipped with a gas inlet 4 introducing the gas generated in a draft chamber, the chemical soln. storage chamber 6 communicating with the gas inlet and storing a chemical soln. subjected to the contact with the gas introduced from the gas inlet, the packing material chamber 11 provided above the chemical soln. storage chamber and provided with a packing material holding the chemical soln. and permitting the gas passed through the chemical soln. storage chamber to pass and the chemical soln. spray chamber 13 provided above the packing material chamber and equipped with a sprayer spraying the chemical soln. subjected to the contact with the gas passed through the packing material chamber. Further, a gas outlet 5 discharging the gas passed through the chemical soln. spray chamber is provided.