Oneida Air Systems 2 HP Commercial Cyclonic Dust Collector Owner's Manual page 20

XVIII. Directions for Cleaning External Filter
All steps should be done with a dust mask and eye protection.
The External Filter can be cleaned using the following methods:
1. Compressed air from outside.
2. Empty Dust Bin.
3. Rinse with water. (Optional)
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2HP Commercial Wood Dust Collector Owner’s Manual
O.A.S. 2005