Air Inlet Filter for Pulmo-Aide Compact Compressor (MODEL #3655D) (5 per pack)

Replacement air filter for DeVilbiss Pulmo-Aide Compressors MODEL #3655D. You should check filter quality periodically for any discoloration that signifies a need to replace. This filter is hard to the touch, and typically last up to 6 months. Filters come in packs of 5.